16406865

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 29789760

約数和(自身を除く): 13382895

約数列:

[1, 3, 5, 9, 15, 43, 45, 61, 129, 139, 183, 215, 305, 387, 417, 549, 645, 695, 915, 1251, 1935, 2085, 2623, 2745, 5977, 6255, 7869, 8479, 13115, 17931, 23607, 25437, 29885, 39345, 42395, 53793, 76311, 89655, 118035, 127185, 268965, 364597, 381555, 1093791, 1822985, 3281373, 5468955, 16406865]

約数ペア:

[(1, 16406865), (3, 5468955), (5, 3281373), (9, 1822985), (15, 1093791), (43, 381555), (45, 364597), (61, 268965), (129, 127185), (139, 118035), (183, 89655), (215, 76311), (305, 53793), (387, 42395), (417, 39345), (549, 29885), (645, 25437), (695, 23607), (915, 17931), (1251, 13115), (1935, 8479), (2085, 7869), (2623, 6255), (2745, 5977)]