28408671

素因数分解:

$3^3\times {\mathrm{557}}^1\times {\mathrm{1889}}^1$

素因数の和:2455

約数の個数: 16

約数和(自身を含む): 42184800

約数和(自身を除く): 13776129

約数列:

[1, 3, 9, 27, 557, 1671, 1889, 5013, 5667, 15039, 17001, 51003, 1052173, 3156519, 9469557, 28408671]

約数ペア:

[(1, 28408671), (3, 9469557), (9, 3156519), (27, 1052173), (557, 51003), (1671, 17001), (1889, 15039), (5013, 5667)]