9780253

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 12312000

約数和(自身を除く): 2531747

約数列:

[1, 7, 17, 49, 59, 119, 199, 413, 833, 1003, 1393, 2891, 3383, 7021, 9751, 11741, 23681, 49147, 82187, 165767, 199597, 575309, 1397179, 9780253]

約数ペア:

[(1, 9780253), (7, 1397179), (17, 575309), (49, 199597), (59, 165767), (119, 82187), (199, 49147), (413, 23681), (833, 11741), (1003, 9751), (1393, 7021), (2891, 3383)]