12665289

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2729}}^1$

素因数の和:2769

約数の個数: 32

約数和(自身を含む): 22014720

約数和(自身を除く): 9349431

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 2729, 4641, 8187, 19103, 35477, 46393, 57309, 106431, 139179, 248339, 324751, 603109, 745017, 974253, 1809327, 4221763, 12665289]

約数ペア:

[(1, 12665289), (3, 4221763), (7, 1809327), (13, 974253), (17, 745017), (21, 603109), (39, 324751), (51, 248339), (91, 139179), (119, 106431), (221, 57309), (273, 46393), (357, 35477), (663, 19103), (1547, 8187), (2729, 4641)]