168328125

素因数分解:

$3^4\times 5^6\times 7^1\times {\mathrm{19}}^1$

素因数の和:68

約数の個数: 140

約数和(自身を含む): 378120160

約数和(自身を除く): 209792035

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 27, 35, 45, 57, 63, 75, 81, 95, 105, 125, 133, 135, 171, 175, 189, 225, 285, 315, 375, 399, 405, 475, 513, 525, 567, 625, 665, 675, 855, 875, 945, 1125, 1197, 1425, 1539, 1575, 1875, 1995, 2025, 2375, 2565, 2625, 2835, 3125, 3325, 3375, 3591, 4275, 4375, 4725, 5625, 5985, 7125, 7695, 7875, 9375, 9975, 10125, 10773, 11875, 12825, 13125, 14175, 15625, 16625, 16875, 17955, 21375, 21875, 23625, 28125, 29925, 35625, 38475, 39375, 46875, 49875, 50625, 53865, 59375, 64125, 65625, 70875, 83125, 84375, 89775, 106875, 109375, 118125, 140625, 149625, 178125, 192375, 196875, 249375, 253125, 269325, 296875, 320625, 328125, 354375, 415625, 421875, 448875, 534375, 590625, 748125, 890625, 961875, 984375, 1246875, 1265625, 1346625, 1603125, 1771875, 2078125, 2244375, 2671875, 2953125, 3740625, 4809375, 6234375, 6733125, 8015625, 8859375, 11221875, 18703125, 24046875, 33665625, 56109375, 168328125]

約数ペア:

[(1, 168328125), (3, 56109375), (5, 33665625), (7, 24046875), (9, 18703125), (15, 11221875), (19, 8859375), (21, 8015625), (25, 6733125), (27, 6234375), (35, 4809375), (45, 3740625), (57, 2953125), (63, 2671875), (75, 2244375), (81, 2078125), (95, 1771875), (105, 1603125), (125, 1346625), (133, 1265625), (135, 1246875), (171, 984375), (175, 961875), (189, 890625), (225, 748125), (285, 590625), (315, 534375), (375, 448875), (399, 421875), (405, 415625), (475, 354375), (513, 328125), (525, 320625), (567, 296875), (625, 269325), (665, 253125), (675, 249375), (855, 196875), (875, 192375), (945, 178125), (1125, 149625), (1197, 140625), (1425, 118125), (1539, 109375), (1575, 106875), (1875, 89775), (1995, 84375), (2025, 83125), (2375, 70875), (2565, 65625), (2625, 64125), (2835, 59375), (3125, 53865), (3325, 50625), (3375, 49875), (3591, 46875), (4275, 39375), (4375, 38475), (4725, 35625), (5625, 29925), (5985, 28125), (7125, 23625), (7695, 21875), (7875, 21375), (9375, 17955), (9975, 16875), (10125, 16625), (10773, 15625), (11875, 14175), (12825, 13125)]