30818725

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2887}}^1$

素因数の和:2965

約数の個数: 24

約数和(自身を含む): 44405888

約数和(自身を除く): 13587163

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 2135, 2887, 10675, 14435, 20209, 72175, 101045, 176107, 505225, 880535, 1232749, 4402675, 6163745, 30818725]

約数ペア:

[(1, 30818725), (5, 6163745), (7, 4402675), (25, 1232749), (35, 880535), (61, 505225), (175, 176107), (305, 101045), (427, 72175), (1525, 20209), (2135, 14435), (2887, 10675)]