311935545

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{163}}^1$

素因数の和:283

約数の個数: 72

約数和(自身を含む): 581166144

約数和(自身を除く): 269230599

約数列:

[1, 3, 5, 9, 15, 23, 43, 45, 69, 115, 129, 163, 207, 215, 345, 387, 489, 645, 815, 989, 1035, 1467, 1849, 1935, 2445, 2967, 3749, 4945, 5547, 7009, 7335, 8901, 9245, 11247, 14835, 16641, 18745, 21027, 27735, 33741, 35045, 42527, 44505, 56235, 63081, 83205, 105135, 127581, 161207, 168705, 212635, 301387, 315405, 382743, 483621, 637905, 806035, 904161, 1450863, 1506935, 1913715, 2418105, 2712483, 4520805, 6931901, 7254315, 13562415, 20795703, 34659505, 62387109, 103978515, 311935545]

約数ペア:

[(1, 311935545), (3, 103978515), (5, 62387109), (9, 34659505), (15, 20795703), (23, 13562415), (43, 7254315), (45, 6931901), (69, 4520805), (115, 2712483), (129, 2418105), (163, 1913715), (207, 1506935), (215, 1450863), (345, 904161), (387, 806035), (489, 637905), (645, 483621), (815, 382743), (989, 315405), (1035, 301387), (1467, 212635), (1849, 168705), (1935, 161207), (2445, 127581), (2967, 105135), (3749, 83205), (4945, 63081), (5547, 56235), (7009, 44505), (7335, 42527), (8901, 35045), (9245, 33741), (11247, 27735), (14835, 21027), (16641, 18745)]