678343419

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{25541}}^1$

素因数の和:25787

約数の個数: 24

約数和(自身を含む): 1059890832

約数和(自身を除く): 381547413

約数列:

[1, 3, 9, 13, 39, 117, 227, 681, 2043, 2951, 8853, 25541, 26559, 76623, 229869, 332033, 996099, 2988297, 5797807, 17393421, 52180263, 75371491, 226114473, 678343419]

約数ペア:

[(1, 678343419), (3, 226114473), (9, 75371491), (13, 52180263), (39, 17393421), (117, 5797807), (227, 2988297), (681, 996099), (2043, 332033), (2951, 229869), (8853, 76623), (25541, 26559)]