3986775

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:105

約数の個数: 72

約数和(自身を含む): 8124480

約数和(自身を除く): 4137705

約数列:

[1, 3, 5, 9, 13, 15, 25, 29, 39, 45, 47, 65, 75, 87, 117, 141, 145, 195, 225, 235, 261, 325, 377, 423, 435, 585, 611, 705, 725, 975, 1131, 1175, 1305, 1363, 1833, 1885, 2115, 2175, 2925, 3055, 3393, 3525, 4089, 5499, 5655, 6525, 6815, 9165, 9425, 10575, 12267, 15275, 16965, 17719, 20445, 27495, 28275, 34075, 45825, 53157, 61335, 84825, 88595, 102225, 137475, 159471, 265785, 306675, 442975, 797355, 1328925, 3986775]

約数ペア:

[(1, 3986775), (3, 1328925), (5, 797355), (9, 442975), (13, 306675), (15, 265785), (25, 159471), (29, 137475), (39, 102225), (45, 88595), (47, 84825), (65, 61335), (75, 53157), (87, 45825), (117, 34075), (141, 28275), (145, 27495), (195, 20445), (225, 17719), (235, 16965), (261, 15275), (325, 12267), (377, 10575), (423, 9425), (435, 9165), (585, 6815), (611, 6525), (705, 5655), (725, 5499), (975, 4089), (1131, 3525), (1175, 3393), (1305, 3055), (1363, 2925), (1833, 2175), (1885, 2115)]