21167325

素因数分解:

$3^4\times 5^2\times {\mathrm{10453}}^1$

素因数の和:10475

約数の個数: 30

約数和(自身を含む): 39212954

約数和(自身を除く): 18045629

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 10453, 31359, 52265, 94077, 156795, 261325, 282231, 470385, 783975, 846693, 1411155, 2351925, 4233465, 7055775, 21167325]

約数ペア:

[(1, 21167325), (3, 7055775), (5, 4233465), (9, 2351925), (15, 1411155), (25, 846693), (27, 783975), (45, 470385), (75, 282231), (81, 261325), (135, 156795), (225, 94077), (405, 52265), (675, 31359), (2025, 10453)]