1981738305

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2693}}^1$

素因数の和:2812

約数の個数: 80

約数和(自身を含む): 3755220480

約数和(自身を除く): 1773482175

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 79, 81, 115, 135, 207, 237, 345, 395, 405, 621, 711, 1035, 1185, 1817, 1863, 2133, 2693, 3105, 3555, 5451, 6399, 8079, 9085, 9315, 10665, 13465, 16353, 24237, 27255, 31995, 40395, 49059, 61939, 72711, 81765, 121185, 147177, 185817, 212747, 218133, 245295, 309695, 363555, 557451, 638241, 735885, 929085, 1063735, 1090665, 1672353, 1914723, 2787255, 3191205, 4893181, 5017059, 5744169, 8361765, 9573615, 14679543, 17232507, 24465905, 25085295, 28720845, 44038629, 73397715, 86162535, 132115887, 220193145, 396347661, 660579435, 1981738305]

約数ペア:

[(1, 1981738305), (3, 660579435), (5, 396347661), (9, 220193145), (15, 132115887), (23, 86162535), (27, 73397715), (45, 44038629), (69, 28720845), (79, 25085295), (81, 24465905), (115, 17232507), (135, 14679543), (207, 9573615), (237, 8361765), (345, 5744169), (395, 5017059), (405, 4893181), (621, 3191205), (711, 2787255), (1035, 1914723), (1185, 1672353), (1817, 1090665), (1863, 1063735), (2133, 929085), (2693, 735885), (3105, 638241), (3555, 557451), (5451, 363555), (6399, 309695), (8079, 245295), (9085, 218133), (9315, 212747), (10665, 185817), (13465, 147177), (16353, 121185), (24237, 81765), (27255, 72711), (31995, 61939), (40395, 49059)]