25544421

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 72

約数和(自身を含む): 47508864

約数和(自身を除く): 21964443

約数列:

[1, 3, 7, 9, 17, 21, 23, 51, 61, 63, 69, 119, 153, 161, 183, 207, 289, 357, 391, 427, 483, 549, 867, 1037, 1071, 1173, 1281, 1403, 1449, 2023, 2601, 2737, 3111, 3519, 3843, 4209, 6069, 6647, 7259, 8211, 9333, 9821, 12627, 17629, 18207, 19941, 21777, 23851, 24633, 29463, 46529, 52887, 59823, 65331, 71553, 88389, 123403, 139587, 158661, 166957, 214659, 370209, 405467, 418761, 500871, 1110627, 1216401, 1502613, 2838269, 3649203, 8514807, 25544421]

約数ペア:

[(1, 25544421), (3, 8514807), (7, 3649203), (9, 2838269), (17, 1502613), (21, 1216401), (23, 1110627), (51, 500871), (61, 418761), (63, 405467), (69, 370209), (119, 214659), (153, 166957), (161, 158661), (183, 139587), (207, 123403), (289, 88389), (357, 71553), (391, 65331), (427, 59823), (483, 52887), (549, 46529), (867, 29463), (1037, 24633), (1071, 23851), (1173, 21777), (1281, 19941), (1403, 18207), (1449, 17629), (2023, 12627), (2601, 9821), (2737, 9333), (3111, 8211), (3519, 7259), (3843, 6647), (4209, 6069)]