18071901

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4073}}^1$

素因数の和:4125

約数の個数: 24

約数和(自身を含む): 28599480

約数和(自身を除く): 10527579

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4073, 4437, 12219, 36657, 69241, 118117, 207723, 354351, 623169, 1063053, 2007989, 6023967, 18071901]

約数ペア:

[(1, 18071901), (3, 6023967), (9, 2007989), (17, 1063053), (29, 623169), (51, 354351), (87, 207723), (153, 118117), (261, 69241), (493, 36657), (1479, 12219), (4073, 4437)]