81179145

素因数分解:

$3^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1723}}^1$

素因数の和:2086

約数の個数: 32

約数和(自身を含む): 144816000

約数和(自身を除く): 63636855

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 349, 1047, 1723, 1745, 3141, 5169, 5235, 8615, 9423, 15507, 15705, 25845, 46521, 47115, 77535, 232605, 601327, 1803981, 3006635, 5411943, 9019905, 16235829, 27059715, 81179145]

約数ペア:

[(1, 81179145), (3, 27059715), (5, 16235829), (9, 9019905), (15, 5411943), (27, 3006635), (45, 1803981), (135, 601327), (349, 232605), (1047, 77535), (1723, 47115), (1745, 46521), (3141, 25845), (5169, 15705), (5235, 15507), (8615, 9423)]