81968445

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2297}}^1$

素因数の和:2382

約数の個数: 48

約数和(自身を含む): 155583792

約数和(自身を除く): 73615347

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 61, 65, 117, 183, 195, 305, 549, 585, 793, 915, 2297, 2379, 2745, 3965, 6891, 7137, 11485, 11895, 20673, 29861, 34455, 35685, 89583, 103365, 140117, 149305, 268749, 420351, 447915, 700585, 1261053, 1343745, 1821521, 2101755, 5464563, 6305265, 9107605, 16393689, 27322815, 81968445]

約数ペア:

[(1, 81968445), (3, 27322815), (5, 16393689), (9, 9107605), (13, 6305265), (15, 5464563), (39, 2101755), (45, 1821521), (61, 1343745), (65, 1261053), (117, 700585), (183, 447915), (195, 420351), (305, 268749), (549, 149305), (585, 140117), (793, 103365), (915, 89583), (2297, 35685), (2379, 34455), (2745, 29861), (3965, 20673), (6891, 11895), (7137, 11485)]