215996901

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 304680960

約数和(自身を除く): 88684059

約数列:

[1, 3, 29, 87, 113, 127, 173, 339, 381, 519, 3277, 3683, 5017, 9831, 11049, 14351, 15051, 19549, 21971, 43053, 58647, 65913, 416179, 566921, 637159, 1248537, 1700763, 1911477, 2482723, 7448169, 71998967, 215996901]

約数ペア:

[(1, 215996901), (3, 71998967), (29, 7448169), (87, 2482723), (113, 1911477), (127, 1700763), (173, 1248537), (339, 637159), (381, 566921), (519, 416179), (3277, 65913), (3683, 58647), (5017, 43053), (9831, 21971), (11049, 19549), (14351, 15051)]