260241009

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{18251}}^1$

素因数の和:18365

約数の個数: 24

約数和(自身を含む): 407822688

約数和(自身を除く): 147581679

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 679, 2037, 4753, 14259, 18251, 54753, 127757, 383271, 894299, 1770347, 2682897, 5311041, 12392429, 37177287, 86747003, 260241009]

約数ペア:

[(1, 260241009), (3, 86747003), (7, 37177287), (21, 12392429), (49, 5311041), (97, 2682897), (147, 1770347), (291, 894299), (679, 383271), (2037, 127757), (4753, 54753), (14259, 18251)]