209439255

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{1439}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 347258880

約数和(自身を除く): 137819625

約数列:

[1, 3, 5, 15, 31, 93, 155, 313, 465, 939, 1439, 1565, 4317, 4695, 7195, 9703, 21585, 29109, 44609, 48515, 133827, 145545, 223045, 450407, 669135, 1351221, 2252035, 6756105, 13962617, 41887851, 69813085, 209439255]

約数ペア:

[(1, 209439255), (3, 69813085), (5, 41887851), (15, 13962617), (31, 6756105), (93, 2252035), (155, 1351221), (313, 669135), (465, 450407), (939, 223045), (1439, 145545), (1565, 133827), (4317, 48515), (4695, 44609), (7195, 29109), (9703, 21585)]