211341753

素因数分解:

$3^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{4241}}^1$

素因数の和:4374

約数の個数: 36

約数和(自身を含む): 358338708

約数和(自身を除く): 146996955

約数列:

[1, 3, 7, 9, 21, 49, 63, 113, 147, 339, 441, 791, 1017, 2373, 4241, 5537, 7119, 12723, 16611, 29687, 38169, 49833, 89061, 207809, 267183, 479233, 623427, 1437699, 1870281, 3354631, 4313097, 10063893, 23482417, 30191679, 70447251, 211341753]

約数ペア:

[(1, 211341753), (3, 70447251), (7, 30191679), (9, 23482417), (21, 10063893), (49, 4313097), (63, 3354631), (113, 1870281), (147, 1437699), (339, 623427), (441, 479233), (791, 267183), (1017, 207809), (2373, 89061), (4241, 49833), (5537, 38169), (7119, 29687), (12723, 16611)]