81675895

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 119968128

約数和(自身を除く): 38292233

約数列:

[1, 5, 7, 35, 41, 47, 49, 173, 205, 235, 245, 287, 329, 865, 1211, 1435, 1645, 1927, 2009, 2303, 6055, 7093, 8131, 8477, 9635, 10045, 11515, 13489, 35465, 40655, 42385, 49651, 56917, 67445, 94423, 248255, 284585, 333371, 347557, 398419, 472115, 1666855, 1737785, 1992095, 2333597, 11667985, 16335179, 81675895]

約数ペア:

[(1, 81675895), (5, 16335179), (7, 11667985), (35, 2333597), (41, 1992095), (47, 1737785), (49, 1666855), (173, 472115), (205, 398419), (235, 347557), (245, 333371), (287, 284585), (329, 248255), (865, 94423), (1211, 67445), (1435, 56917), (1645, 49651), (1927, 42385), (2009, 40655), (2303, 35465), (6055, 13489), (7093, 11515), (8131, 10045), (8477, 9635)]