28665507

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{1637}}^1$

素因数の和:2102

約数の個数: 16

約数和(自身を含む): 41277600

約数和(自身を除く): 12612093

約数列:

[1, 3, 13, 39, 449, 1347, 1637, 4911, 5837, 17511, 21281, 63843, 735013, 2205039, 9555169, 28665507]

約数ペア:

[(1, 28665507), (3, 9555169), (13, 2205039), (39, 735013), (449, 63843), (1347, 21281), (1637, 17511), (4911, 5837)]