78987015

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:429

約数の個数: 64

約数和(自身を含む): 150405120

約数和(自身を除く): 71418105

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 127, 135, 153, 255, 271, 381, 459, 635, 765, 813, 1143, 1355, 1905, 2159, 2295, 2439, 3429, 4065, 4607, 5715, 6477, 7317, 10795, 12195, 13821, 17145, 19431, 23035, 32385, 34417, 36585, 41463, 58293, 69105, 97155, 103251, 124389, 172085, 207315, 291465, 309753, 516255, 585089, 621945, 929259, 1548765, 1755267, 2925445, 4646295, 5265801, 8776335, 15797403, 26329005, 78987015]

約数ペア:

[(1, 78987015), (3, 26329005), (5, 15797403), (9, 8776335), (15, 5265801), (17, 4646295), (27, 2925445), (45, 1755267), (51, 1548765), (85, 929259), (127, 621945), (135, 585089), (153, 516255), (255, 309753), (271, 291465), (381, 207315), (459, 172085), (635, 124389), (765, 103251), (813, 97155), (1143, 69105), (1355, 58293), (1905, 41463), (2159, 36585), (2295, 34417), (2439, 32385), (3429, 23035), (4065, 19431), (4607, 17145), (5715, 13821), (6477, 12195), (7317, 10795)]