127931405

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1$

素因数の和:426

約数の個数: 48

約数和(自身を含む): 189506304

約数和(自身を除く): 61574899

約数列:

[1, 5, 7, 23, 35, 49, 73, 115, 161, 245, 311, 365, 511, 805, 1127, 1555, 1679, 2177, 2555, 3577, 5635, 7153, 8395, 10885, 11753, 15239, 17885, 22703, 35765, 50071, 58765, 76195, 82271, 113515, 158921, 250355, 350497, 411355, 522169, 794605, 1112447, 1752485, 2610845, 3655183, 5562235, 18275915, 25586281, 127931405]

約数ペア:

[(1, 127931405), (5, 25586281), (7, 18275915), (23, 5562235), (35, 3655183), (49, 2610845), (73, 1752485), (115, 1112447), (161, 794605), (245, 522169), (311, 411355), (365, 350497), (511, 250355), (805, 158921), (1127, 113515), (1555, 82271), (1679, 76195), (2177, 58765), (2555, 50071), (3577, 35765), (5635, 22703), (7153, 17885), (8395, 15239), (10885, 11753)]