15900705

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 29877120

約数和(自身を除く): 13976415

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 243, 345, 405, 569, 621, 1035, 1215, 1707, 1863, 2845, 3105, 5121, 5589, 8535, 9315, 13087, 15363, 25605, 27945, 39261, 46089, 65435, 76815, 117783, 138267, 196305, 230445, 353349, 588915, 691335, 1060047, 1766745, 3180141, 5300235, 15900705]

約数ペア:

[(1, 15900705), (3, 5300235), (5, 3180141), (9, 1766745), (15, 1060047), (23, 691335), (27, 588915), (45, 353349), (69, 230445), (81, 196305), (115, 138267), (135, 117783), (207, 76815), (243, 65435), (345, 46089), (405, 39261), (569, 27945), (621, 25605), (1035, 15363), (1215, 13087), (1707, 9315), (1863, 8535), (2845, 5589), (3105, 5121)]