12287821

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1$

素因数の和:110

約数の個数: 32

約数和(自身を含む): 16450560

約数和(自身を除く): 4162739

約数列:

[1, 7, 13, 17, 47, 91, 119, 169, 221, 329, 611, 799, 1183, 1547, 2197, 2873, 4277, 5593, 7943, 10387, 15379, 20111, 37349, 55601, 72709, 103259, 135031, 261443, 722813, 945217, 1755403, 12287821]

約数ペア:

[(1, 12287821), (7, 1755403), (13, 945217), (17, 722813), (47, 261443), (91, 135031), (119, 103259), (169, 72709), (221, 55601), (329, 37349), (611, 20111), (799, 15379), (1183, 10387), (1547, 7943), (2197, 5593), (2873, 4277)]