389601303

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{203873}}^1$

素因数の和:203903

約数の個数: 24

約数和(自身を含む): 650765808

約数和(自身を除く): 261164505

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 203873, 611619, 1427111, 2650349, 4281333, 7951047, 9989777, 18552443, 29969331, 55657329, 129867101, 389601303]

約数ペア:

[(1, 389601303), (3, 129867101), (7, 55657329), (13, 29969331), (21, 18552443), (39, 9989777), (49, 7951047), (91, 4281333), (147, 2650349), (273, 1427111), (637, 611619), (1911, 203873)]