2207655

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 4193280

約数和(自身を除く): 1985625

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 79, 81, 115, 135, 207, 237, 243, 345, 395, 405, 621, 711, 1035, 1185, 1215, 1817, 1863, 2133, 3105, 3555, 5451, 5589, 6399, 9085, 9315, 10665, 16353, 19197, 27255, 27945, 31995, 49059, 81765, 95985, 147177, 245295, 441531, 735885, 2207655]

約数ペア:

[(1, 2207655), (3, 735885), (5, 441531), (9, 245295), (15, 147177), (23, 95985), (27, 81765), (45, 49059), (69, 31995), (79, 27945), (81, 27255), (115, 19197), (135, 16353), (207, 10665), (237, 9315), (243, 9085), (345, 6399), (395, 5589), (405, 5451), (621, 3555), (711, 3105), (1035, 2133), (1185, 1863), (1215, 1817)]