12781269

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 19395584

約数和(自身を除く): 6614315

約数列:

[1, 3, 9, 31, 61, 93, 183, 279, 549, 751, 1891, 2253, 5673, 6759, 17019, 23281, 45811, 69843, 137433, 209529, 412299, 1420141, 4260423, 12781269]

約数ペア:

[(1, 12781269), (3, 4260423), (9, 1420141), (31, 412299), (61, 209529), (93, 137433), (183, 69843), (279, 45811), (549, 23281), (751, 17019), (1891, 6759), (2253, 5673)]