28572507

素因数分解:

$3^4\times {\mathrm{173}}^1\times {\mathrm{2039}}^1$

素因数の和:2224

約数の個数: 20

約数和(自身を含む): 42950160

約数和(自身を除く): 14377653

約数列:

[1, 3, 9, 27, 81, 173, 519, 1557, 2039, 4671, 6117, 14013, 18351, 55053, 165159, 352747, 1058241, 3174723, 9524169, 28572507]

約数ペア:

[(1, 28572507), (3, 9524169), (9, 3174723), (27, 1058241), (81, 352747), (173, 165159), (519, 55053), (1557, 18351), (2039, 14013), (4671, 6117)]