1319721

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 2020320

約数和(自身を除く): 700599

約数列:

[1, 3, 13, 19, 39, 57, 137, 169, 247, 411, 507, 741, 1781, 2603, 3211, 5343, 7809, 9633, 23153, 33839, 69459, 101517, 439907, 1319721]

約数ペア:

[(1, 1319721), (3, 439907), (13, 101517), (19, 69459), (39, 33839), (57, 23153), (137, 9633), (169, 7809), (247, 5343), (411, 3211), (507, 2603), (741, 1781)]