259920003

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{347}}^1\times {\mathrm{673}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 405305856

約数和(自身を除く): 145385853

約数列:

[1, 3, 7, 21, 53, 159, 347, 371, 673, 1041, 1113, 2019, 2429, 4711, 7287, 14133, 18391, 35669, 55173, 107007, 128737, 233531, 249683, 386211, 700593, 749049, 1634717, 4904151, 12377143, 37131429, 86640001, 259920003]

約数ペア:

[(1, 259920003), (3, 86640001), (7, 37131429), (21, 12377143), (53, 4904151), (159, 1634717), (347, 749049), (371, 700593), (673, 386211), (1041, 249683), (1113, 233531), (2019, 128737), (2429, 107007), (4711, 55173), (7287, 35669), (14133, 18391)]