61719975

素因数分解:

$3^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1051}}^1$

素因数の和:1102

約数の個数: 60

約数和(自身を含む): 118381560

約数和(自身を除く): 56661585

約数列:

[1, 3, 5, 9, 15, 25, 27, 29, 45, 75, 81, 87, 135, 145, 225, 261, 405, 435, 675, 725, 783, 1051, 1305, 2025, 2175, 2349, 3153, 3915, 5255, 6525, 9459, 11745, 15765, 19575, 26275, 28377, 30479, 47295, 58725, 78825, 85131, 91437, 141885, 152395, 236475, 274311, 425655, 457185, 709425, 761975, 822933, 1371555, 2128275, 2285925, 2468799, 4114665, 6857775, 12343995, 20573325, 61719975]

約数ペア:

[(1, 61719975), (3, 20573325), (5, 12343995), (9, 6857775), (15, 4114665), (25, 2468799), (27, 2285925), (29, 2128275), (45, 1371555), (75, 822933), (81, 761975), (87, 709425), (135, 457185), (145, 425655), (225, 274311), (261, 236475), (405, 152395), (435, 141885), (675, 91437), (725, 85131), (783, 78825), (1051, 58725), (1305, 47295), (2025, 30479), (2175, 28377), (2349, 26275), (3153, 19575), (3915, 15765), (5255, 11745), (6525, 9459)]