720049977

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{977}}^1\times {\mathrm{4817}}^1$

素因数の和:5817

約数の個数: 24

約数和(自身を含む): 1102608936

約数和(自身を除く): 382558959

約数列:

[1, 3, 9, 17, 51, 153, 977, 2931, 4817, 8793, 14451, 16609, 43353, 49827, 81889, 149481, 245667, 737001, 4706209, 14118627, 42355881, 80005553, 240016659, 720049977]

約数ペア:

[(1, 720049977), (3, 240016659), (9, 80005553), (17, 42355881), (51, 14118627), (153, 4706209), (977, 737001), (2931, 245667), (4817, 149481), (8793, 81889), (14451, 49827), (16609, 43353)]