31701345

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 59076864

約数和(自身を除く): 27375519

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 73, 85, 131, 195, 219, 221, 255, 365, 393, 655, 663, 949, 1095, 1105, 1241, 1703, 1965, 2227, 2847, 3315, 3723, 4745, 5109, 6205, 6681, 8515, 9563, 11135, 14235, 16133, 18615, 25545, 28689, 28951, 33405, 47815, 48399, 80665, 86853, 124319, 143445, 144755, 162571, 241995, 372957, 434265, 487713, 621595, 812855, 1864785, 2113423, 2438565, 6340269, 10567115, 31701345]

約数ペア:

[(1, 31701345), (3, 10567115), (5, 6340269), (13, 2438565), (15, 2113423), (17, 1864785), (39, 812855), (51, 621595), (65, 487713), (73, 434265), (85, 372957), (131, 241995), (195, 162571), (219, 144755), (221, 143445), (255, 124319), (365, 86853), (393, 80665), (655, 48399), (663, 47815), (949, 33405), (1095, 28951), (1105, 28689), (1241, 25545), (1703, 18615), (1965, 16133), (2227, 14235), (2847, 11135), (3315, 9563), (3723, 8515), (4745, 6681), (5109, 6205)]