30993805

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 40118760

約数和(自身を除く): 9124955

約数列:

[1, 5, 17, 85, 89, 241, 289, 445, 1205, 1445, 1513, 4097, 7565, 20485, 21449, 25721, 69649, 107245, 128605, 348245, 364633, 1823165, 6198761, 30993805]

約数ペア:

[(1, 30993805), (5, 6198761), (17, 1823165), (85, 364633), (89, 348245), (241, 128605), (289, 107245), (445, 69649), (1205, 25721), (1445, 21449), (1513, 20485), (4097, 7565)]