1306125

素因数分解:

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

素因数の和:73

約数の個数: 48

約数和(自身を含む): 2498496

約数和(自身を除く): 1192371

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, 1075, 1125, 1161, 1215, 1935, 2025, 3225, 3375, 3483, 5375, 5805, 6075, 9675, 10125, 10449, 16125, 17415, 29025, 30375, 48375, 52245, 87075, 145125, 261225, 435375, 1306125]

約数ペア:

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