261671775

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{467}}^1$

素因数の和:752

約数の個数: 48

約数和(自身を含む): 449399808

約数和(自身を除く): 187728033

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 241, 465, 467, 723, 775, 1205, 1401, 2325, 2335, 3615, 6025, 7005, 7471, 11675, 14477, 18075, 22413, 35025, 37355, 43431, 72385, 112065, 112547, 186775, 217155, 337641, 361925, 560325, 562735, 1085775, 1688205, 2813675, 3488957, 8441025, 10466871, 17444785, 52334355, 87223925, 261671775]

約数ペア:

[(1, 261671775), (3, 87223925), (5, 52334355), (15, 17444785), (25, 10466871), (31, 8441025), (75, 3488957), (93, 2813675), (155, 1688205), (241, 1085775), (465, 562735), (467, 560325), (723, 361925), (775, 337641), (1205, 217155), (1401, 186775), (2325, 112547), (2335, 112065), (3615, 72385), (6025, 43431), (7005, 37355), (7471, 35025), (11675, 22413), (14477, 18075)]