28860447

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1237}}^1$

素因数の和:1359

約数の個数: 32

約数和(自身を含む): 48489984

約数和(自身を除く): 19629537

約数列:

[1, 3, 7, 11, 21, 33, 77, 101, 231, 303, 707, 1111, 1237, 2121, 3333, 3711, 7777, 8659, 13607, 23331, 25977, 40821, 95249, 124937, 285747, 374811, 874559, 1374307, 2623677, 4122921, 9620149, 28860447]

約数ペア:

[(1, 28860447), (3, 9620149), (7, 4122921), (11, 2623677), (21, 1374307), (33, 874559), (77, 374811), (101, 285747), (231, 124937), (303, 95249), (707, 40821), (1111, 25977), (1237, 23331), (2121, 13607), (3333, 8659), (3711, 7777)]