28717515

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{4283}}^1$

素因数の和:4443

約数の個数: 24

約数和(自身を含む): 50122800

約数和(自身を除く): 21405285

約数列:

[1, 3, 5, 9, 15, 45, 149, 447, 745, 1341, 2235, 4283, 6705, 12849, 21415, 38547, 64245, 192735, 638167, 1914501, 3190835, 5743503, 9572505, 28717515]

約数ペア:

[(1, 28717515), (3, 9572505), (5, 5743503), (9, 3190835), (15, 1914501), (45, 638167), (149, 192735), (447, 64245), (745, 38547), (1341, 21415), (2235, 12849), (4283, 6705)]