15215693661

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^2\times {\mathrm{1381}}^1$

素因数の和:1563

約数の個数: 72

約数和(自身を含む): 26098705152

約数和(自身を除く): 10883011491

約数列:

[1, 3, 7, 9, 21, 47, 61, 63, 141, 183, 329, 423, 427, 549, 987, 1281, 1381, 2867, 2961, 3721, 3843, 4143, 8601, 9667, 11163, 12429, 20069, 25803, 26047, 29001, 33489, 60207, 64907, 78141, 84241, 87003, 174887, 180621, 194721, 234423, 252723, 454349, 524661, 584163, 589687, 758169, 1224209, 1363047, 1573983, 1769061, 3672627, 3959327, 4089141, 5138701, 5307183, 11017881, 11877981, 15416103, 27715289, 35633943, 35970907, 46248309, 83145867, 107912721, 241518947, 249437601, 323738163, 724556841, 1690632629, 2173670523, 5071897887, 15215693661]

約数ペア:

[(1, 15215693661), (3, 5071897887), (7, 2173670523), (9, 1690632629), (21, 724556841), (47, 323738163), (61, 249437601), (63, 241518947), (141, 107912721), (183, 83145867), (329, 46248309), (423, 35970907), (427, 35633943), (549, 27715289), (987, 15416103), (1281, 11877981), (1381, 11017881), (2867, 5307183), (2961, 5138701), (3721, 4089141), (3843, 3959327), (4143, 3672627), (8601, 1769061), (9667, 1573983), (11163, 1363047), (12429, 1224209), (20069, 758169), (25803, 589687), (26047, 584163), (29001, 524661), (33489, 454349), (60207, 252723), (64907, 234423), (78141, 194721), (84241, 180621), (87003, 174887)]