128430765

素因数分解:

$3^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{1361}}^1$

素因数の和:1611

約数の個数: 40

約数和(自身を含む): 231382008

約数和(自身を除く): 102951243

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 233, 405, 699, 1165, 1361, 2097, 3495, 4083, 6291, 6805, 10485, 12249, 18873, 20415, 31455, 36747, 61245, 94365, 110241, 183735, 317113, 551205, 951339, 1585565, 2854017, 4756695, 8562051, 14270085, 25686153, 42810255, 128430765]

約数ペア:

[(1, 128430765), (3, 42810255), (5, 25686153), (9, 14270085), (15, 8562051), (27, 4756695), (45, 2854017), (81, 1585565), (135, 951339), (233, 551205), (405, 317113), (699, 183735), (1165, 110241), (1361, 94365), (2097, 61245), (3495, 36747), (4083, 31455), (6291, 20415), (6805, 18873), (10485, 12249)]