669196845

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{20857}}^1$

素因数の和:20922

約数の個数: 48

約数和(自身を含む): 1249477632

約数和(自身を除く): 580280787

約数列:

[1, 3, 5, 9, 15, 23, 31, 45, 69, 93, 115, 155, 207, 279, 345, 465, 713, 1035, 1395, 2139, 3565, 6417, 10695, 20857, 32085, 62571, 104285, 187713, 312855, 479711, 646567, 938565, 1439133, 1939701, 2398555, 3232835, 4317399, 5819103, 7195665, 9698505, 14871041, 21586995, 29095515, 44613123, 74355205, 133839369, 223065615, 669196845]

約数ペア:

[(1, 669196845), (3, 223065615), (5, 133839369), (9, 74355205), (15, 44613123), (23, 29095515), (31, 21586995), (45, 14871041), (69, 9698505), (93, 7195665), (115, 5819103), (155, 4317399), (207, 3232835), (279, 2398555), (345, 1939701), (465, 1439133), (713, 938565), (1035, 646567), (1395, 479711), (2139, 312855), (3565, 187713), (6417, 104285), (10695, 62571), (20857, 32085)]