389618901

素因数分解:

$3^2\times 7^1\times {\mathrm{2083}}^1\times {\mathrm{2969}}^1$

素因数の和:5065

約数の個数: 24

約数和(自身を含む): 643705920

約数和(自身を除く): 254087019

約数列:

[1, 3, 7, 9, 21, 63, 2083, 2969, 6249, 8907, 14581, 18747, 20783, 26721, 43743, 62349, 131229, 187047, 6184427, 18553281, 43290989, 55659843, 129872967, 389618901]

約数ペア:

[(1, 389618901), (3, 129872967), (7, 55659843), (9, 43290989), (21, 18553281), (63, 6184427), (2083, 187047), (2969, 131229), (6249, 62349), (8907, 43743), (14581, 26721), (18747, 20783)]