56109375

素因数分解:

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

素因数の和:65

約数の個数: 112

約数和(自身を含む): 124998400

約数和(自身を除く): 68889025

約数列:

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

約数ペア:

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