81480663

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{293}}^1$

素因数の和:416

約数の個数: 36

約数和(自身を含む): 131308632

約数和(自身を除く): 49827969

約数列:

[1, 3, 9, 11, 33, 53, 99, 159, 293, 477, 583, 879, 1749, 2637, 2809, 3223, 5247, 8427, 9669, 15529, 25281, 29007, 30899, 46587, 92697, 139761, 170819, 278091, 512457, 823037, 1537371, 2469111, 7407333, 9053407, 27160221, 81480663]

約数ペア:

[(1, 81480663), (3, 27160221), (9, 9053407), (11, 7407333), (33, 2469111), (53, 1537371), (99, 823037), (159, 512457), (293, 278091), (477, 170819), (583, 139761), (879, 92697), (1749, 46587), (2637, 30899), (2809, 29007), (3223, 25281), (5247, 15529), (8427, 9669)]