3918375

素因数分解:

$3^6\times 5^3\times {\mathrm{43}}^1$

素因数の和:76

約数の個数: 56

約数和(自身を含む): 7502352

約数和(自身を除く): 3583977

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 125, 129, 135, 215, 225, 243, 375, 387, 405, 645, 675, 729, 1075, 1125, 1161, 1215, 1935, 2025, 3225, 3375, 3483, 3645, 5375, 5805, 6075, 9675, 10125, 10449, 16125, 17415, 18225, 29025, 30375, 31347, 48375, 52245, 87075, 91125, 145125, 156735, 261225, 435375, 783675, 1306125, 3918375]

約数ペア:

[(1, 3918375), (3, 1306125), (5, 783675), (9, 435375), (15, 261225), (25, 156735), (27, 145125), (43, 91125), (45, 87075), (75, 52245), (81, 48375), (125, 31347), (129, 30375), (135, 29025), (215, 18225), (225, 17415), (243, 16125), (375, 10449), (387, 10125), (405, 9675), (645, 6075), (675, 5805), (729, 5375), (1075, 3645), (1125, 3483), (1161, 3375), (1215, 3225), (1935, 2025)]