4020723

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3359}}^1$

素因数の和:3391

約数の個数: 24

約数和(自身を含む): 6988800

約数和(自身を除く): 2968077

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 3359, 10077, 23513, 30231, 63821, 70539, 191463, 211617, 446747, 574389, 1340241, 4020723]

約数ペア:

[(1, 4020723), (3, 1340241), (7, 574389), (9, 446747), (19, 211617), (21, 191463), (57, 70539), (63, 63821), (133, 30231), (171, 23513), (399, 10077), (1197, 3359)]