2176875

素因数分解:

$3^4\times 5^4\times {\mathrm{43}}^1$

素因数の和:75

約数の個数: 50

約数和(自身を含む): 4158044

約数和(自身を除く): 1981169

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 125, 129, 135, 215, 225, 375, 387, 405, 625, 645, 675, 1075, 1125, 1161, 1875, 1935, 2025, 3225, 3375, 3483, 5375, 5625, 5805, 9675, 10125, 16125, 16875, 17415, 26875, 29025, 48375, 50625, 80625, 87075, 145125, 241875, 435375, 725625, 2176875]

約数ペア:

[(1, 2176875), (3, 725625), (5, 435375), (9, 241875), (15, 145125), (25, 87075), (27, 80625), (43, 50625), (45, 48375), (75, 29025), (81, 26875), (125, 17415), (129, 16875), (135, 16125), (215, 10125), (225, 9675), (375, 5805), (387, 5625), (405, 5375), (625, 3483), (645, 3375), (675, 3225), (1075, 2025), (1125, 1935), (1161, 1875)]