80889921

素因数分解:

$3^4\times 7^1\times {\mathrm{179}}^1\times {\mathrm{797}}^1$

素因数の和:995

約数の個数: 40

約数和(自身を含む): 139043520

約数和(自身を除く): 58153599

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 179, 189, 537, 567, 797, 1253, 1611, 2391, 3759, 4833, 5579, 7173, 11277, 14499, 16737, 21519, 33831, 50211, 64557, 101493, 142663, 150633, 427989, 451899, 998641, 1283967, 2995923, 3851901, 8987769, 11555703, 26963307, 80889921]

約数ペア:

[(1, 80889921), (3, 26963307), (7, 11555703), (9, 8987769), (21, 3851901), (27, 2995923), (63, 1283967), (81, 998641), (179, 451899), (189, 427989), (537, 150633), (567, 142663), (797, 101493), (1253, 64557), (1611, 50211), (2391, 33831), (3759, 21519), (4833, 16737), (5579, 14499), (7173, 11277)]