15678213255

素因数分解:

$3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1635703}}^1$

素因数の和:1635788

約数の個数: 32

約数和(自身を含む): 28264965120

約数和(自身を除く): 12586751865

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 135, 213, 355, 639, 1065, 1917, 3195, 9585, 1635703, 4907109, 8178515, 14721327, 24535545, 44163981, 73606635, 116134913, 220819905, 348404739, 580674565, 1045214217, 1742023695, 3135642651, 5226071085, 15678213255]

約数ペア:

[(1, 15678213255), (3, 5226071085), (5, 3135642651), (9, 1742023695), (15, 1045214217), (27, 580674565), (45, 348404739), (71, 220819905), (135, 116134913), (213, 73606635), (355, 44163981), (639, 24535545), (1065, 14721327), (1917, 8178515), (3195, 4907109), (9585, 1635703)]