4007997

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{563}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 6686784

約数和(自身を除く): 2678787

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 563, 791, 1017, 1689, 2373, 3941, 5067, 7119, 11823, 35469, 63619, 190857, 445333, 572571, 1335999, 4007997]

約数ペア:

[(1, 4007997), (3, 1335999), (7, 572571), (9, 445333), (21, 190857), (63, 63619), (113, 35469), (339, 11823), (563, 7119), (791, 5067), (1017, 3941), (1689, 2373)]