399036981

素因数分解:

$3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{113783}}^1$

素因数の和:113960

約数の個数: 16

約数和(自身を含む): 611702784

約数和(自身を除く): 212665803

約数列:

[1, 3, 7, 21, 167, 501, 1169, 3507, 113783, 341349, 796481, 2389443, 19001761, 57005283, 133012327, 399036981]

約数ペア:

[(1, 399036981), (3, 133012327), (7, 57005283), (21, 19001761), (167, 2389443), (501, 796481), (1169, 341349), (3507, 113783)]