890673

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 1417248

約数和(自身を除く): 526575

約数列:

[1, 3, 7, 21, 49, 73, 83, 147, 219, 249, 511, 581, 1533, 1743, 3577, 4067, 6059, 10731, 12201, 18177, 42413, 127239, 296891, 890673]

約数ペア:

[(1, 890673), (3, 296891), (7, 127239), (21, 42413), (49, 18177), (73, 12201), (83, 10731), (147, 6059), (219, 4067), (249, 3577), (511, 1743), (581, 1533)]