38748375

素因数分解:

$3^4\times 5^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 80

約数和(自身を含む): 74748960

約数和(自身を除く): 36000585

約数列:

[1, 3, 5, 9, 15, 25, 27, 43, 45, 75, 81, 89, 125, 129, 135, 215, 225, 267, 375, 387, 405, 445, 645, 675, 801, 1075, 1125, 1161, 1335, 1935, 2025, 2225, 2403, 3225, 3375, 3483, 3827, 4005, 5375, 5805, 6675, 7209, 9675, 10125, 11125, 11481, 12015, 16125, 17415, 19135, 20025, 29025, 33375, 34443, 36045, 48375, 57405, 60075, 87075, 95675, 100125, 103329, 145125, 172215, 180225, 287025, 300375, 309987, 435375, 478375, 516645, 861075, 901125, 1435125, 1549935, 2583225, 4305375, 7749675, 12916125, 38748375]

約数ペア:

[(1, 38748375), (3, 12916125), (5, 7749675), (9, 4305375), (15, 2583225), (25, 1549935), (27, 1435125), (43, 901125), (45, 861075), (75, 516645), (81, 478375), (89, 435375), (125, 309987), (129, 300375), (135, 287025), (215, 180225), (225, 172215), (267, 145125), (375, 103329), (387, 100125), (405, 95675), (445, 87075), (645, 60075), (675, 57405), (801, 48375), (1075, 36045), (1125, 34443), (1161, 33375), (1335, 29025), (1935, 20025), (2025, 19135), (2225, 17415), (2403, 16125), (3225, 12015), (3375, 11481), (3483, 11125), (3827, 10125), (4005, 9675), (5375, 7209), (5805, 6675)]