16476993

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:215

約数の個数: 48

約数和(自身を含む): 27757440

約数和(自身を除く): 11280447

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 157, 169, 207, 299, 351, 471, 507, 621, 897, 1413, 1521, 2041, 2691, 3611, 3887, 4239, 4563, 6123, 8073, 10833, 11661, 18369, 26533, 32499, 34983, 46943, 55107, 79599, 97497, 104949, 140829, 238797, 422487, 610259, 716391, 1267461, 1830777, 5492331, 16476993]

約数ペア:

[(1, 16476993), (3, 5492331), (9, 1830777), (13, 1267461), (23, 716391), (27, 610259), (39, 422487), (69, 238797), (117, 140829), (157, 104949), (169, 97497), (207, 79599), (299, 55107), (351, 46943), (471, 34983), (507, 32499), (621, 26533), (897, 18369), (1413, 11661), (1521, 10833), (2041, 8073), (2691, 6123), (3611, 4563), (3887, 4239)]