38991375

素因数分解:

$3^4\times 5^3\times {\mathrm{3851}}^1$

素因数の和:3878

約数の個数: 40

約数和(自身を含む): 72710352

約数和(自身を除く): 33718977

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 2025, 3375, 3851, 10125, 11553, 19255, 34659, 57765, 96275, 103977, 173295, 288825, 311931, 481375, 519885, 866475, 1444125, 1559655, 2599425, 4332375, 7798275, 12997125, 38991375]

約数ペア:

[(1, 38991375), (3, 12997125), (5, 7798275), (9, 4332375), (15, 2599425), (25, 1559655), (27, 1444125), (45, 866475), (75, 519885), (81, 481375), (125, 311931), (135, 288825), (225, 173295), (375, 103977), (405, 96275), (675, 57765), (1125, 34659), (2025, 19255), (3375, 11553), (3851, 10125)]