16275987

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 31370976

約数和(自身を除く): 15094989

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 49, 51, 63, 91, 117, 119, 147, 153, 167, 221, 273, 357, 441, 501, 637, 663, 819, 833, 1071, 1169, 1503, 1547, 1911, 1989, 2171, 2499, 2839, 3507, 4641, 5733, 6513, 7497, 8183, 8517, 10521, 10829, 13923, 15197, 19539, 19873, 24549, 25551, 32487, 36907, 45591, 59619, 73647, 97461, 106379, 110721, 136773, 139111, 178857, 258349, 319137, 332163, 417333, 775047, 957411, 1251999, 1808443, 2325141, 5425329, 16275987]

約数ペア:

[(1, 16275987), (3, 5425329), (7, 2325141), (9, 1808443), (13, 1251999), (17, 957411), (21, 775047), (39, 417333), (49, 332163), (51, 319137), (63, 258349), (91, 178857), (117, 139111), (119, 136773), (147, 110721), (153, 106379), (167, 97461), (221, 73647), (273, 59619), (357, 45591), (441, 36907), (501, 32487), (637, 25551), (663, 24549), (819, 19873), (833, 19539), (1071, 15197), (1169, 13923), (1503, 10829), (1547, 10521), (1911, 8517), (1989, 8183), (2171, 7497), (2499, 6513), (2839, 5733), (3507, 4641)]