39878631

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 64864800

約数和(自身を除く): 24986169

約数列:

[1, 3, 9, 13, 39, 53, 59, 109, 117, 159, 177, 327, 477, 531, 689, 767, 981, 1417, 2067, 2301, 3127, 4251, 5777, 6201, 6431, 6903, 9381, 12753, 17331, 19293, 28143, 40651, 51993, 57879, 75101, 83603, 121953, 225303, 250809, 340843, 365859, 675909, 752427, 1022529, 3067587, 4430959, 13292877, 39878631]

約数ペア:

[(1, 39878631), (3, 13292877), (9, 4430959), (13, 3067587), (39, 1022529), (53, 752427), (59, 675909), (109, 365859), (117, 340843), (159, 250809), (177, 225303), (327, 121953), (477, 83603), (531, 75101), (689, 57879), (767, 51993), (981, 40651), (1417, 28143), (2067, 19293), (2301, 17331), (3127, 12753), (4251, 9381), (5777, 6903), (6201, 6431)]