2080897917

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{10709}}^1$

素因数の和:11225

約数の個数: 32

約数和(自身を含む): 3344947200

約数和(自身を除く): 1264049283

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 487, 1461, 3409, 9253, 10227, 10709, 27759, 32127, 64771, 74963, 194313, 203471, 224889, 610413, 1424297, 4272891, 5215283, 15645849, 36506981, 99090377, 109520943, 297271131, 693632639, 2080897917]

約数ペア:

[(1, 2080897917), (3, 693632639), (7, 297271131), (19, 109520943), (21, 99090377), (57, 36506981), (133, 15645849), (399, 5215283), (487, 4272891), (1461, 1424297), (3409, 610413), (9253, 224889), (10227, 203471), (10709, 194313), (27759, 74963), (32127, 64771)]