15905601

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 23985000

約数和(自身を除く): 8079399

約数列:

[1, 3, 9, 29, 87, 149, 261, 409, 447, 1227, 1341, 3681, 4321, 11861, 12963, 35583, 38889, 60941, 106749, 182823, 548469, 1767289, 5301867, 15905601]

約数ペア:

[(1, 15905601), (3, 5301867), (9, 1767289), (29, 548469), (87, 182823), (149, 106749), (261, 60941), (409, 38889), (447, 35583), (1227, 12963), (1341, 11861), (3681, 4321)]