81173790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{901931}}^1$

素因数の和:901944

約数の個数: 24

約数和(自身を含む): 211052088

約数和(自身を除く): 129878298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 901931, 1803862, 2705793, 4509655, 5411586, 8117379, 9019310, 13528965, 16234758, 27057930, 40586895, 81173790]

約数ペア:

[(1, 81173790), (2, 40586895), (3, 27057930), (5, 16234758), (6, 13528965), (9, 9019310), (10, 8117379), (15, 5411586), (18, 4509655), (30, 2705793), (45, 1803862), (90, 901931)]