28638645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6343}}^1$

素因数の和:6401

約数の個数: 32

約数和(自身を含む): 53594112

約数和(自身を除く): 24955467

約数列:

[1, 3, 5, 7, 15, 21, 35, 43, 105, 129, 215, 301, 645, 903, 1505, 4515, 6343, 19029, 31715, 44401, 95145, 133203, 222005, 272749, 666015, 818247, 1363745, 1909243, 4091235, 5727729, 9546215, 28638645]

約数ペア:

[(1, 28638645), (3, 9546215), (5, 5727729), (7, 4091235), (15, 1909243), (21, 1363745), (35, 818247), (43, 666015), (105, 272749), (129, 222005), (215, 133203), (301, 95145), (645, 44401), (903, 31715), (1505, 19029), (4515, 6343)]