2758161

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{647}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 4432320

約数和(自身を除く): 1674159

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 647, 1421, 1941, 4263, 4529, 13587, 18763, 31703, 56289, 95109, 131341, 394023, 919387, 2758161]

約数ペア:

[(1, 2758161), (3, 919387), (7, 394023), (21, 131341), (29, 95109), (49, 56289), (87, 31703), (147, 18763), (203, 13587), (609, 4529), (647, 4263), (1421, 1941)]