61880625

素因数分解:

$3^3\times 5^4\times {\mathrm{19}}^1\times {\mathrm{193}}^1$

素因数の和:241

約数の個数: 80

約数和(自身を含む): 121211200

約数和(自身を除く): 59330575

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 125, 135, 171, 193, 225, 285, 375, 475, 513, 579, 625, 675, 855, 965, 1125, 1425, 1737, 1875, 2375, 2565, 2895, 3375, 3667, 4275, 4825, 5211, 5625, 7125, 8685, 11001, 11875, 12825, 14475, 16875, 18335, 21375, 24125, 26055, 33003, 35625, 43425, 55005, 64125, 72375, 91675, 99009, 106875, 120625, 130275, 165015, 217125, 275025, 320625, 361875, 458375, 495045, 651375, 825075, 1085625, 1375125, 2291875, 2475225, 3256875, 4125375, 6875625, 12376125, 20626875, 61880625]

約数ペア:

[(1, 61880625), (3, 20626875), (5, 12376125), (9, 6875625), (15, 4125375), (19, 3256875), (25, 2475225), (27, 2291875), (45, 1375125), (57, 1085625), (75, 825075), (95, 651375), (125, 495045), (135, 458375), (171, 361875), (193, 320625), (225, 275025), (285, 217125), (375, 165015), (475, 130275), (513, 120625), (579, 106875), (625, 99009), (675, 91675), (855, 72375), (965, 64125), (1125, 55005), (1425, 43425), (1737, 35625), (1875, 33003), (2375, 26055), (2565, 24125), (2895, 21375), (3375, 18335), (3667, 16875), (4275, 14475), (4825, 12825), (5211, 11875), (5625, 11001), (7125, 8685)]