253637631

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1607}}^1$

素因数の和:1716

約数の個数: 48

約数和(自身を含む): 421424640

約数和(自身を除く): 167787009

約数列:

[1, 3, 9, 13, 19, 39, 57, 71, 117, 171, 213, 247, 639, 741, 923, 1349, 1607, 2223, 2769, 4047, 4821, 8307, 12141, 14463, 17537, 20891, 30533, 52611, 62673, 91599, 114097, 157833, 188019, 274797, 342291, 396929, 1026873, 1190787, 1483261, 2167843, 3572361, 4449783, 6503529, 13349349, 19510587, 28181959, 84545877, 253637631]

約数ペア:

[(1, 253637631), (3, 84545877), (9, 28181959), (13, 19510587), (19, 13349349), (39, 6503529), (57, 4449783), (71, 3572361), (117, 2167843), (171, 1483261), (213, 1190787), (247, 1026873), (639, 396929), (741, 342291), (923, 274797), (1349, 188019), (1607, 157833), (2223, 114097), (2769, 91599), (4047, 62673), (4821, 52611), (8307, 30533), (12141, 20891), (14463, 17537)]