28087845

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 46161792

約数和(自身を除く): 18073947

約数列:

[1, 3, 5, 15, 73, 113, 219, 227, 339, 365, 565, 681, 1095, 1135, 1695, 3405, 8249, 16571, 24747, 25651, 41245, 49713, 76953, 82855, 123735, 128255, 248565, 384765, 1872523, 5617569, 9362615, 28087845]

約数ペア:

[(1, 28087845), (3, 9362615), (5, 5617569), (15, 1872523), (73, 384765), (113, 248565), (219, 128255), (227, 123735), (339, 82855), (365, 76953), (565, 49713), (681, 41245), (1095, 25651), (1135, 24747), (1695, 16571), (3405, 8249)]