319718217

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{1423}}^1$

素因数の和:2269

約数の個数: 32

約数和(自身を含む): 525672448

約数和(自身を除く): 205954231

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 823, 1423, 2469, 4269, 5761, 9961, 10699, 17283, 18499, 29883, 32097, 55497, 74893, 129493, 224679, 388479, 1171129, 3513387, 8197903, 15224677, 24593709, 45674031, 106572739, 319718217]

約数ペア:

[(1, 319718217), (3, 106572739), (7, 45674031), (13, 24593709), (21, 15224677), (39, 8197903), (91, 3513387), (273, 1171129), (823, 388479), (1423, 224679), (2469, 129493), (4269, 74893), (5761, 55497), (9961, 32097), (10699, 29883), (17283, 18499)]