15531417

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 26956800

約数和(自身を除く): 11425383

約数列:

[1, 3, 9, 11, 19, 23, 33, 57, 69, 99, 171, 207, 209, 253, 359, 437, 627, 759, 1077, 1311, 1881, 2277, 3231, 3933, 3949, 4807, 6821, 8257, 11847, 14421, 20463, 24771, 35541, 43263, 61389, 74313, 75031, 90827, 156883, 225093, 272481, 470649, 675279, 817443, 1411947, 1725713, 5177139, 15531417]

約数ペア:

[(1, 15531417), (3, 5177139), (9, 1725713), (11, 1411947), (19, 817443), (23, 675279), (33, 470649), (57, 272481), (69, 225093), (99, 156883), (171, 90827), (207, 75031), (209, 74313), (253, 61389), (359, 43263), (437, 35541), (627, 24771), (759, 20463), (1077, 14421), (1311, 11847), (1881, 8257), (2277, 6821), (3231, 4807), (3933, 3949)]