78267405

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9901}}^1$

素因数の和:9957

約数の個数: 32

約数和(自身を含む): 136885248

約数和(自身を除く): 58617843

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 7905, 9901, 29703, 49505, 148515, 168317, 306931, 504951, 841585, 920793, 1534655, 2524755, 4603965, 5217827, 15653481, 26089135, 78267405]

約数ペア:

[(1, 78267405), (3, 26089135), (5, 15653481), (15, 5217827), (17, 4603965), (31, 2524755), (51, 1534655), (85, 920793), (93, 841585), (155, 504951), (255, 306931), (465, 168317), (527, 148515), (1581, 49505), (2635, 29703), (7905, 9901)]