28739565

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 52533936

約数和(自身を除く): 23794371

約数列:

[1, 3, 5, 9, 15, 37, 41, 45, 111, 123, 185, 205, 333, 369, 421, 555, 615, 1263, 1517, 1665, 1845, 2105, 3789, 4551, 6315, 7585, 13653, 15577, 17261, 18945, 22755, 46731, 51783, 68265, 77885, 86305, 140193, 155349, 233655, 258915, 638657, 700965, 776745, 1915971, 3193285, 5747913, 9579855, 28739565]

約数ペア:

[(1, 28739565), (3, 9579855), (5, 5747913), (9, 3193285), (15, 1915971), (37, 776745), (41, 700965), (45, 638657), (111, 258915), (123, 233655), (185, 155349), (205, 140193), (333, 86305), (369, 77885), (421, 68265), (555, 51783), (615, 46731), (1263, 22755), (1517, 18945), (1665, 17261), (1845, 15577), (2105, 13653), (3789, 7585), (4551, 6315)]