28526589

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 51635584

約数和(自身を除く): 23108995

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 183, 273, 427, 549, 571, 793, 819, 1281, 1713, 2379, 3843, 3997, 5139, 5551, 7137, 7423, 11991, 16653, 22269, 34831, 35973, 49959, 51961, 66807, 104493, 155883, 243817, 313479, 452803, 467649, 731451, 1358409, 2194353, 3169621, 4075227, 9508863, 28526589]

約数ペア:

[(1, 28526589), (3, 9508863), (7, 4075227), (9, 3169621), (13, 2194353), (21, 1358409), (39, 731451), (61, 467649), (63, 452803), (91, 313479), (117, 243817), (183, 155883), (273, 104493), (427, 66807), (549, 51961), (571, 49959), (793, 35973), (819, 34831), (1281, 22269), (1713, 16653), (2379, 11991), (3843, 7423), (3997, 7137), (5139, 5551)]