68233809

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 107732736

約数和(自身を除く): 39498927

約数列:

[1, 3, 7, 21, 37, 111, 137, 259, 411, 641, 777, 959, 1923, 2877, 4487, 5069, 13461, 15207, 23717, 35483, 71151, 87817, 106449, 166019, 263451, 498057, 614719, 1844157, 3249229, 9747687, 22744603, 68233809]

約数ペア:

[(1, 68233809), (3, 22744603), (7, 9747687), (21, 3249229), (37, 1844157), (111, 614719), (137, 498057), (259, 263451), (411, 166019), (641, 106449), (777, 87817), (959, 71151), (1923, 35483), (2877, 23717), (4487, 15207), (5069, 13461)]