728775

素因数分解:

$3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 36

約数和(自身を含む): 1354080

約数和(自身を除く): 625305

約数列:

[1, 3, 5, 9, 15, 25, 41, 45, 75, 79, 123, 205, 225, 237, 369, 395, 615, 711, 1025, 1185, 1845, 1975, 3075, 3239, 3555, 5925, 9225, 9717, 16195, 17775, 29151, 48585, 80975, 145755, 242925, 728775]

約数ペア:

[(1, 728775), (3, 242925), (5, 145755), (9, 80975), (15, 48585), (25, 29151), (41, 17775), (45, 16195), (75, 9717), (79, 9225), (123, 5925), (205, 3555), (225, 3239), (237, 3075), (369, 1975), (395, 1845), (615, 1185), (711, 1025)]