22745121

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 36173568

約数和(自身を除く): 13428447

約数列:

[1, 3, 7, 21, 37, 73, 111, 219, 259, 401, 511, 777, 1203, 1533, 2701, 2807, 8103, 8421, 14837, 18907, 29273, 44511, 56721, 87819, 103859, 204911, 311577, 614733, 1083101, 3249303, 7581707, 22745121]

約数ペア:

[(1, 22745121), (3, 7581707), (7, 3249303), (21, 1083101), (37, 614733), (73, 311577), (111, 204911), (219, 103859), (259, 87819), (401, 56721), (511, 44511), (777, 29273), (1203, 18907), (1533, 14837), (2701, 8421), (2807, 8103)]