15578613

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 26282880

約数和(自身を除く): 10704267

約数列:

[1, 3, 9, 17, 19, 23, 51, 57, 69, 153, 171, 207, 233, 323, 391, 437, 699, 969, 1173, 1311, 2097, 2907, 3519, 3933, 3961, 4427, 5359, 7429, 11883, 13281, 16077, 22287, 35649, 39843, 48231, 66861, 75259, 91103, 101821, 225777, 273309, 305463, 677331, 819927, 916389, 1730957, 5192871, 15578613]

約数ペア:

[(1, 15578613), (3, 5192871), (9, 1730957), (17, 916389), (19, 819927), (23, 677331), (51, 305463), (57, 273309), (69, 225777), (153, 101821), (171, 91103), (207, 75259), (233, 66861), (323, 48231), (391, 39843), (437, 35649), (699, 22287), (969, 16077), (1173, 13281), (1311, 11883), (2097, 7429), (2907, 5359), (3519, 4427), (3933, 3961)]