75131875

素因数分解:

$5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1$

素因数の和:1361

約数の個数: 40

約数和(自身を含む): 115637984

約数和(自身を除く): 40506109

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 125, 175, 325, 455, 625, 875, 1321, 1625, 2275, 4375, 6605, 8125, 9247, 11375, 17173, 33025, 46235, 56875, 85865, 120211, 165125, 231175, 429325, 601055, 825625, 1155875, 2146625, 3005275, 5779375, 10733125, 15026375, 75131875]

約数ペア:

[(1, 75131875), (5, 15026375), (7, 10733125), (13, 5779375), (25, 3005275), (35, 2146625), (65, 1155875), (91, 825625), (125, 601055), (175, 429325), (325, 231175), (455, 165125), (625, 120211), (875, 85865), (1321, 56875), (1625, 46235), (2275, 33025), (4375, 17173), (6605, 11375), (8125, 9247)]