256670235

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61331}}^1$

素因数の和:61376

約数の個数: 32

約数和(自身を含む): 471029760

約数和(自身を除く): 214359525

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 465, 837, 1395, 4185, 61331, 183993, 306655, 551979, 919965, 1655937, 1901261, 2759895, 5703783, 8279685, 9506305, 17111349, 28518915, 51334047, 85556745, 256670235]

約数ペア:

[(1, 256670235), (3, 85556745), (5, 51334047), (9, 28518915), (15, 17111349), (27, 9506305), (31, 8279685), (45, 5703783), (93, 2759895), (135, 1901261), (155, 1655937), (279, 919965), (465, 551979), (837, 306655), (1395, 183993), (4185, 61331)]