88989885

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 159606720

約数和(自身を除く): 70616835

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 139, 205, 347, 369, 417, 615, 695, 1041, 1251, 1735, 1845, 2085, 3123, 5205, 5699, 6255, 14227, 15615, 17097, 28495, 42681, 48233, 51291, 71135, 85485, 128043, 144699, 213405, 241165, 256455, 434097, 640215, 723495, 1977553, 2170485, 5932659, 9887765, 17797977, 29663295, 88989885]

約数ペア:

[(1, 88989885), (3, 29663295), (5, 17797977), (9, 9887765), (15, 5932659), (41, 2170485), (45, 1977553), (123, 723495), (139, 640215), (205, 434097), (347, 256455), (369, 241165), (417, 213405), (615, 144699), (695, 128043), (1041, 85485), (1251, 71135), (1735, 51291), (1845, 48233), (2085, 42681), (3123, 28495), (5205, 17097), (5699, 15615), (6255, 14227)]