27668565

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 49969920

約数和(自身を除く): 22301355

約数列:

[1, 3, 5, 9, 15, 43, 45, 79, 129, 181, 215, 237, 387, 395, 543, 645, 711, 905, 1185, 1629, 1935, 2715, 3397, 3555, 7783, 8145, 10191, 14299, 16985, 23349, 30573, 38915, 42897, 50955, 70047, 71495, 116745, 128691, 152865, 214485, 350235, 614857, 643455, 1844571, 3074285, 5533713, 9222855, 27668565]

約数ペア:

[(1, 27668565), (3, 9222855), (5, 5533713), (9, 3074285), (15, 1844571), (43, 643455), (45, 614857), (79, 350235), (129, 214485), (181, 152865), (215, 128691), (237, 116745), (387, 71495), (395, 70047), (543, 50955), (645, 42897), (711, 38915), (905, 30573), (1185, 23349), (1629, 16985), (1935, 14299), (2715, 10191), (3397, 8145), (3555, 7783)]