8164625

素因数分解:

$5^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 48

約数和(自身を含む): 12519936

約数和(自身を除く): 4355311

約数列:

[1, 5, 7, 25, 31, 35, 43, 49, 125, 155, 175, 215, 217, 245, 301, 775, 875, 1075, 1085, 1225, 1333, 1505, 1519, 2107, 3875, 5375, 5425, 6125, 6665, 7525, 7595, 9331, 10535, 27125, 33325, 37625, 37975, 46655, 52675, 65317, 166625, 189875, 233275, 263375, 326585, 1166375, 1632925, 8164625]

約数ペア:

[(1, 8164625), (5, 1632925), (7, 1166375), (25, 326585), (31, 263375), (35, 233275), (43, 189875), (49, 166625), (125, 65317), (155, 52675), (175, 46655), (215, 37975), (217, 37625), (245, 33325), (301, 27125), (775, 10535), (875, 9331), (1075, 7595), (1085, 7525), (1225, 6665), (1333, 6125), (1505, 5425), (1519, 5375), (2107, 3875)]