28873209

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1\times {\mathrm{557}}^1$

素因数の和:1064

約数の個数: 16

約数和(自身を含む): 39693888

約数和(自身を除く): 10820679

約数列:

[1, 3, 37, 111, 467, 557, 1401, 1671, 17279, 20609, 51837, 61827, 260119, 780357, 9624403, 28873209]

約数ペア:

[(1, 28873209), (3, 9624403), (37, 780357), (111, 260119), (467, 61827), (557, 51837), (1401, 20609), (1671, 17279)]