208528575

素因数分解:

$3^1\times 5^2\times {\mathrm{431}}^1\times {\mathrm{6451}}^1$

素因数の和:6895

約数の個数: 24

約数和(自身を含む): 345620736

約数和(自身を除く): 137092161

約数列:

[1, 3, 5, 15, 25, 75, 431, 1293, 2155, 6451, 6465, 10775, 19353, 32255, 32325, 96765, 161275, 483825, 2780381, 8341143, 13901905, 41705715, 69509525, 208528575]

約数ペア:

[(1, 208528575), (3, 69509525), (5, 41705715), (15, 13901905), (25, 8341143), (75, 2780381), (431, 483825), (1293, 161275), (2155, 96765), (6451, 32325), (6465, 32255), (10775, 19353)]