28472655

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{691}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 47432448

約数和(自身を除く): 18959793

約数列:

[1, 3, 5, 15, 41, 67, 123, 201, 205, 335, 615, 691, 1005, 2073, 2747, 3455, 8241, 10365, 13735, 28331, 41205, 46297, 84993, 138891, 141655, 231485, 424965, 694455, 1898177, 5694531, 9490885, 28472655]

約数ペア:

[(1, 28472655), (3, 9490885), (5, 5694531), (15, 1898177), (41, 694455), (67, 424965), (123, 231485), (201, 141655), (205, 138891), (335, 84993), (615, 46297), (691, 41205), (1005, 28331), (2073, 13735), (2747, 10365), (3455, 8241)]