642033

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 32

約数和(自身を含む): 1126400

約数和(自身を除く): 484367

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 79, 129, 189, 237, 301, 387, 553, 711, 903, 1161, 1659, 2133, 2709, 3397, 4977, 8127, 10191, 14931, 23779, 30573, 71337, 91719, 214011, 642033]

約数ペア:

[(1, 642033), (3, 214011), (7, 91719), (9, 71337), (21, 30573), (27, 23779), (43, 14931), (63, 10191), (79, 8127), (129, 4977), (189, 3397), (237, 2709), (301, 2133), (387, 1659), (553, 1161), (711, 903)]