221452017

素因数分解:

$3^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1\times {\mathrm{823}}^1$

素因数の和:1432

約数の個数: 16

約数和(自身を含む): 297628800

約数和(自身を除く): 76176783

約数列:

[1, 3, 257, 349, 771, 823, 1047, 2469, 89693, 211511, 269079, 287227, 634533, 861681, 73817339, 221452017]

約数ペア:

[(1, 221452017), (3, 73817339), (257, 861681), (349, 634533), (771, 287227), (823, 269079), (1047, 211511), (2469, 89693)]