67817421

素因数分解:

$3^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{2521}}^1$

素因数の和:2602

約数の個数: 36

約数和(自身を含む): 115865724

約数和(自身を除く): 48048303

約数列:

[1, 3, 7, 9, 21, 49, 61, 63, 147, 183, 427, 441, 549, 1281, 2521, 2989, 3843, 7563, 8967, 17647, 22689, 26901, 52941, 123529, 153781, 158823, 370587, 461343, 1076467, 1111761, 1384029, 3229401, 7535269, 9688203, 22605807, 67817421]

約数ペア:

[(1, 67817421), (3, 22605807), (7, 9688203), (9, 7535269), (21, 3229401), (49, 1384029), (61, 1111761), (63, 1076467), (147, 461343), (183, 370587), (427, 158823), (441, 153781), (549, 123529), (1281, 52941), (2521, 26901), (2989, 22689), (3843, 17647), (7563, 8967)]