81438669

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{5659}}^1$

素因数の和:5722

約数の個数: 32

約数和(自身を含む): 133123200

約数和(自身を除く): 51684531

約数列:

[1, 3, 9, 13, 27, 39, 41, 117, 123, 351, 369, 533, 1107, 1599, 4797, 5659, 14391, 16977, 50931, 73567, 152793, 220701, 232019, 662103, 696057, 1986309, 2088171, 3016247, 6264513, 9048741, 27146223, 81438669]

約数ペア:

[(1, 81438669), (3, 27146223), (9, 9048741), (13, 6264513), (27, 3016247), (39, 2088171), (41, 1986309), (117, 696057), (123, 662103), (351, 232019), (369, 220701), (533, 152793), (1107, 73567), (1599, 50931), (4797, 16977), (5659, 14391)]