220185567

素因数分解:

$3^3\times 7^2\times {\mathrm{166429}}^1$

素因数の和:166452

約数の個数: 24

約数和(自身を含む): 379460400

約数和(自身を除く): 159274833

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 166429, 499287, 1165003, 1497861, 3495009, 4493583, 8155021, 10485027, 24465063, 31455081, 73395189, 220185567]

約数ペア:

[(1, 220185567), (3, 73395189), (7, 31455081), (9, 24465063), (21, 10485027), (27, 8155021), (49, 4493583), (63, 3495009), (147, 1497861), (189, 1165003), (441, 499287), (1323, 166429)]