211156929

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 337478400

約数和(自身を除く): 126321471

約数列:

[1, 3, 9, 27, 41, 53, 59, 61, 123, 159, 177, 183, 369, 477, 531, 549, 1107, 1431, 1593, 1647, 2173, 2419, 2501, 3127, 3233, 3599, 6519, 7257, 7503, 9381, 9699, 10797, 19557, 21771, 22509, 28143, 29097, 32391, 58671, 65313, 67527, 84429, 87291, 97173, 128207, 132553, 147559, 190747, 384621, 397659, 442677, 572241, 1153863, 1192977, 1328031, 1716723, 3461589, 3578931, 3984093, 5150169, 7820627, 23461881, 70385643, 211156929]

約数ペア:

[(1, 211156929), (3, 70385643), (9, 23461881), (27, 7820627), (41, 5150169), (53, 3984093), (59, 3578931), (61, 3461589), (123, 1716723), (159, 1328031), (177, 1192977), (183, 1153863), (369, 572241), (477, 442677), (531, 397659), (549, 384621), (1107, 190747), (1431, 147559), (1593, 132553), (1647, 128207), (2173, 97173), (2419, 87291), (2501, 84429), (3127, 67527), (3233, 65313), (3599, 58671), (6519, 32391), (7257, 29097), (7503, 28143), (9381, 22509), (9699, 21771), (10797, 19557)]