80178885

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{643}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 148284864

約数和(自身を除く): 68105979

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 163, 255, 489, 643, 765, 815, 1467, 1929, 2445, 2771, 3215, 5787, 7335, 8313, 9645, 10931, 13855, 24939, 28935, 32793, 41565, 54655, 98379, 104809, 124695, 163965, 314427, 491895, 524045, 943281, 1572135, 1781753, 4716405, 5345259, 8908765, 16035777, 26726295, 80178885]

約数ペア:

[(1, 80178885), (3, 26726295), (5, 16035777), (9, 8908765), (15, 5345259), (17, 4716405), (45, 1781753), (51, 1572135), (85, 943281), (153, 524045), (163, 491895), (255, 314427), (489, 163965), (643, 124695), (765, 104809), (815, 98379), (1467, 54655), (1929, 41565), (2445, 32793), (2771, 28935), (3215, 24939), (5787, 13855), (7335, 10931), (8313, 9645)]