15390705

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2521}}^1$

素因数の和:2577

約数の個数: 32

約数和(自身を含む): 27600768

約数和(自身を除く): 12210063

約数列:

[1, 3, 5, 11, 15, 33, 37, 55, 111, 165, 185, 407, 555, 1221, 2035, 2521, 6105, 7563, 12605, 27731, 37815, 83193, 93277, 138655, 279831, 415965, 466385, 1026047, 1399155, 3078141, 5130235, 15390705]

約数ペア:

[(1, 15390705), (3, 5130235), (5, 3078141), (11, 1399155), (15, 1026047), (33, 466385), (37, 415965), (55, 279831), (111, 138655), (165, 93277), (185, 83193), (407, 37815), (555, 27731), (1221, 12605), (2035, 7563), (2521, 6105)]