163207975

素因数分解:

$5^2\times 7^4\times {\mathrm{2719}}^1$

素因数の和:2757

約数の個数: 30

約数和(自身を含む): 236180320

約数和(自身を除く): 72972345

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 343, 1225, 1715, 2401, 2719, 8575, 12005, 13595, 19033, 60025, 67975, 95165, 133231, 475825, 666155, 932617, 3330775, 4663085, 6528319, 23315425, 32641595, 163207975]

約数ペア:

[(1, 163207975), (5, 32641595), (7, 23315425), (25, 6528319), (35, 4663085), (49, 3330775), (175, 932617), (245, 666155), (343, 475825), (1225, 133231), (1715, 95165), (2401, 67975), (2719, 60025), (8575, 19033), (12005, 13595)]