131489163

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{647}}^1$

素因数の和:865

約数の個数: 40

約数和(自身を含む): 212956128

約数和(自身を除く): 81466965

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 193, 351, 579, 647, 1053, 1737, 1941, 2509, 5211, 5823, 7527, 8411, 15633, 17469, 22581, 25233, 52407, 67743, 75699, 124871, 203229, 227097, 374613, 681291, 1123839, 1623323, 3371517, 4869969, 10114551, 14609907, 43829721, 131489163]

約数ペア:

[(1, 131489163), (3, 43829721), (9, 14609907), (13, 10114551), (27, 4869969), (39, 3371517), (81, 1623323), (117, 1123839), (193, 681291), (351, 374613), (579, 227097), (647, 203229), (1053, 124871), (1737, 75699), (1941, 67743), (2509, 52407), (5211, 25233), (5823, 22581), (7527, 17469), (8411, 15633)]