218204025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1373}}^1$

素因数の和:1562

約数の個数: 48

約数和(自身を含む): 391183296

約数和(自身を除く): 172979271

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 163, 195, 325, 489, 815, 975, 1373, 2119, 2445, 4075, 4119, 6357, 6865, 10595, 12225, 17849, 20595, 31785, 34325, 52975, 53547, 89245, 102975, 158925, 223799, 267735, 446225, 671397, 1118995, 1338675, 2909387, 3356985, 5594975, 8728161, 14546935, 16784925, 43640805, 72734675, 218204025]

約数ペア:

[(1, 218204025), (3, 72734675), (5, 43640805), (13, 16784925), (15, 14546935), (25, 8728161), (39, 5594975), (65, 3356985), (75, 2909387), (163, 1338675), (195, 1118995), (325, 671397), (489, 446225), (815, 267735), (975, 223799), (1373, 158925), (2119, 102975), (2445, 89245), (4075, 53547), (4119, 52975), (6357, 34325), (6865, 31785), (10595, 20595), (12225, 17849)]