866776875

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 1554702336

約数和(自身を除く): 687925461

約数列:

[1, 3, 5, 15, 17, 25, 51, 71, 75, 85, 125, 213, 255, 355, 375, 383, 425, 625, 1065, 1149, 1207, 1275, 1775, 1875, 1915, 2125, 3621, 5325, 5745, 6035, 6375, 6511, 8875, 9575, 10625, 18105, 19533, 26625, 27193, 28725, 30175, 31875, 32555, 44375, 47875, 81579, 90525, 97665, 133125, 135965, 143625, 150875, 162775, 239375, 407895, 452625, 462281, 488325, 679825, 718125, 754375, 813875, 1386843, 2039475, 2263125, 2311405, 2441625, 3399125, 4069375, 6934215, 10197375, 11557025, 12208125, 16995625, 34671075, 50986875, 57785125, 173355375, 288925625, 866776875]

約数ペア:

[(1, 866776875), (3, 288925625), (5, 173355375), (15, 57785125), (17, 50986875), (25, 34671075), (51, 16995625), (71, 12208125), (75, 11557025), (85, 10197375), (125, 6934215), (213, 4069375), (255, 3399125), (355, 2441625), (375, 2311405), (383, 2263125), (425, 2039475), (625, 1386843), (1065, 813875), (1149, 754375), (1207, 718125), (1275, 679825), (1775, 488325), (1875, 462281), (1915, 452625), (2125, 407895), (3621, 239375), (5325, 162775), (5745, 150875), (6035, 143625), (6375, 135965), (6511, 133125), (8875, 97665), (9575, 90525), (10625, 81579), (18105, 47875), (19533, 44375), (26625, 32555), (27193, 31875), (28725, 30175)]