161996289

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{353}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 273254016

約数和(自身を除く): 111257727

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 353, 533, 861, 1059, 1599, 1681, 2471, 3731, 4589, 5043, 7413, 11193, 11767, 13767, 14473, 21853, 32123, 35301, 43419, 65559, 96369, 101311, 152971, 188149, 303933, 458913, 564447, 593393, 1317043, 1780179, 3951129, 4153751, 7714109, 12461253, 23142327, 53998763, 161996289]

約数ペア:

[(1, 161996289), (3, 53998763), (7, 23142327), (13, 12461253), (21, 7714109), (39, 4153751), (41, 3951129), (91, 1780179), (123, 1317043), (273, 593393), (287, 564447), (353, 458913), (533, 303933), (861, 188149), (1059, 152971), (1599, 101311), (1681, 96369), (2471, 65559), (3731, 43419), (4589, 35301), (5043, 32123), (7413, 21853), (11193, 14473), (11767, 13767)]