279460419

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{6971}}^1$

素因数の和:7087

約数の個数: 32

約数和(自身を含む): 449777664

約数和(自身を除く): 170317245

約数列:

[1, 3, 7, 21, 23, 69, 83, 161, 249, 483, 581, 1743, 1909, 5727, 6971, 13363, 20913, 40089, 48797, 146391, 160333, 480999, 578593, 1122331, 1735779, 3366993, 4050151, 12150453, 13307639, 39922917, 93153473, 279460419]

約数ペア:

[(1, 279460419), (3, 93153473), (7, 39922917), (21, 13307639), (23, 12150453), (69, 4050151), (83, 3366993), (161, 1735779), (249, 1122331), (483, 578593), (581, 480999), (1743, 160333), (1909, 146391), (5727, 48797), (6971, 40089), (13363, 20913)]