290400621

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{2309}}^1$

素因数の和:2485

約数の個数: 32

約数和(自身を含む): 455051520

約数和(自身を除く): 164650899

約数列:

[1, 3, 7, 21, 53, 113, 159, 339, 371, 791, 1113, 2309, 2373, 5989, 6927, 16163, 17967, 41923, 48489, 122377, 125769, 260917, 367131, 782751, 856639, 1826419, 2569917, 5479257, 13828601, 41485803, 96800207, 290400621]

約数ペア:

[(1, 290400621), (3, 96800207), (7, 41485803), (21, 13828601), (53, 5479257), (113, 2569917), (159, 1826419), (339, 856639), (371, 782751), (791, 367131), (1113, 260917), (2309, 125769), (2373, 122377), (5989, 48489), (6927, 41923), (16163, 17967)]