279716619

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1\times {\mathrm{1163}}^1$

素因数の和:2067

約数の個数: 32

約数和(自身を含む): 459938304

約数和(自身を除く): 180221685

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 881, 1163, 2643, 3489, 6167, 8141, 11453, 15119, 18501, 24423, 34359, 45357, 80171, 105833, 240513, 317499, 1024603, 3073809, 7172221, 13319839, 21516663, 39959517, 93238873, 279716619]

約数ペア:

[(1, 279716619), (3, 93238873), (7, 39959517), (13, 21516663), (21, 13319839), (39, 7172221), (91, 3073809), (273, 1024603), (881, 317499), (1163, 240513), (2643, 105833), (3489, 80171), (6167, 45357), (8141, 34359), (11453, 24423), (15119, 18501)]