2618889

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 4402944

約数和(自身を除く): 1784055

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 181, 273, 371, 543, 689, 1113, 1267, 2067, 2353, 3801, 4823, 7059, 9593, 14469, 16471, 28779, 49413, 67151, 124709, 201453, 374127, 872963, 2618889]

約数ペア:

[(1, 2618889), (3, 872963), (7, 374127), (13, 201453), (21, 124709), (39, 67151), (53, 49413), (91, 28779), (159, 16471), (181, 14469), (273, 9593), (371, 7059), (543, 4823), (689, 3801), (1113, 2353), (1267, 2067)]