31052235

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 52512768

約数和(自身を除く): 21460533

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1333, 1553, 3999, 4659, 6665, 7765, 19995, 23295, 48143, 66779, 144429, 200337, 240715, 333895, 722145, 1001685, 2070149, 6210447, 10350745, 31052235]

約数ペア:

[(1, 31052235), (3, 10350745), (5, 6210447), (15, 2070149), (31, 1001685), (43, 722145), (93, 333895), (129, 240715), (155, 200337), (215, 144429), (465, 66779), (645, 48143), (1333, 23295), (1553, 19995), (3999, 7765), (4659, 6665)]