309997458

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^2\times {\mathrm{17921}}^1$

素因数の和:17991

約数の個数: 36

約数和(自身を含む): 694065294

約数和(自身を除く): 384067836

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 961, 1922, 2883, 5766, 8649, 17298, 17921, 35842, 53763, 107526, 161289, 322578, 555551, 1111102, 1666653, 3333306, 4999959, 9999918, 17222081, 34444162, 51666243, 103332486, 154998729, 309997458]

約数ペア:

[(1, 309997458), (2, 154998729), (3, 103332486), (6, 51666243), (9, 34444162), (18, 17222081), (31, 9999918), (62, 4999959), (93, 3333306), (186, 1666653), (279, 1111102), (558, 555551), (961, 322578), (1922, 161289), (2883, 107526), (5766, 53763), (8649, 35842), (17298, 17921)]