1640356731

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{88177}}^1$

素因数の和:88252

約数の個数: 32

約数和(自身を含む): 2666502720

約数和(自身を除く): 1026145989

約数列:

[1, 3, 9, 13, 27, 39, 53, 117, 159, 351, 477, 689, 1431, 2067, 6201, 18603, 88177, 264531, 793593, 1146301, 2380779, 3438903, 4673381, 10316709, 14020143, 30950127, 42060429, 60753953, 126181287, 182261859, 546785577, 1640356731]

約数ペア:

[(1, 1640356731), (3, 546785577), (9, 182261859), (13, 126181287), (27, 60753953), (39, 42060429), (53, 30950127), (117, 14020143), (159, 10316709), (351, 4673381), (477, 3438903), (689, 2380779), (1431, 1146301), (2067, 793593), (6201, 264531), (18603, 88177)]