28100043

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 45527040

約数和(自身を除く): 17426997

約数列:

[1, 3, 9, 23, 29, 31, 69, 87, 93, 151, 207, 261, 279, 453, 667, 713, 899, 1359, 2001, 2139, 2697, 3473, 4379, 4681, 6003, 6417, 8091, 10419, 13137, 14043, 20677, 31257, 39411, 42129, 62031, 100717, 107663, 135749, 186093, 302151, 322989, 407247, 906453, 968967, 1221741, 3122227, 9366681, 28100043]

約数ペア:

[(1, 28100043), (3, 9366681), (9, 3122227), (23, 1221741), (29, 968967), (31, 906453), (69, 407247), (87, 322989), (93, 302151), (151, 186093), (207, 135749), (261, 107663), (279, 100717), (453, 62031), (667, 42129), (713, 39411), (899, 31257), (1359, 20677), (2001, 14043), (2139, 13137), (2697, 10419), (3473, 8091), (4379, 6417), (4681, 6003)]