1288528047

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{311}}^1\times {\mathrm{887}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 1928309760

約数和(自身を除く): 639781713

約数列:

[1, 3, 9, 27, 173, 311, 519, 887, 933, 1557, 2661, 2799, 4671, 7983, 8397, 23949, 53803, 153451, 161409, 275857, 460353, 484227, 827571, 1381059, 1452681, 2482713, 4143177, 7448139, 47723261, 143169783, 429509349, 1288528047]

約数ペア:

[(1, 1288528047), (3, 429509349), (9, 143169783), (27, 47723261), (173, 7448139), (311, 4143177), (519, 2482713), (887, 1452681), (933, 1381059), (1557, 827571), (2661, 484227), (2799, 460353), (4671, 275857), (7983, 161409), (8397, 153451), (23949, 53803)]