28142673

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 42336000

約数和(自身を除く): 14193327

約数列:

[1, 3, 13, 29, 39, 87, 149, 167, 377, 447, 501, 1131, 1937, 2171, 4321, 4843, 5811, 6513, 12963, 14529, 24883, 56173, 62959, 74649, 168519, 188877, 323479, 721607, 970437, 2164821, 9380891, 28142673]

約数ペア:

[(1, 28142673), (3, 9380891), (13, 2164821), (29, 970437), (39, 721607), (87, 323479), (149, 188877), (167, 168519), (377, 74649), (447, 62959), (501, 56173), (1131, 24883), (1937, 14529), (2171, 12963), (4321, 6513), (4843, 5811)]