31306365

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5393}}^1$

素因数の和:5450

約数の個数: 32

約数和(自身を含む): 56960640

約数和(自身を除く): 25654275

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5393, 5805, 16179, 26965, 48537, 80895, 145611, 231899, 242685, 695697, 728055, 1159495, 2087091, 3478485, 6261273, 10435455, 31306365]

約数ペア:

[(1, 31306365), (3, 10435455), (5, 6261273), (9, 3478485), (15, 2087091), (27, 1159495), (43, 728055), (45, 695697), (129, 242685), (135, 231899), (215, 145611), (387, 80895), (645, 48537), (1161, 26965), (1935, 16179), (5393, 5805)]