27982935

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 53654400

約数和(自身を除く): 25671465

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 89, 135, 137, 153, 255, 267, 411, 445, 459, 685, 765, 801, 1233, 1335, 1513, 2055, 2295, 2329, 2403, 3699, 4005, 4539, 6165, 6987, 7565, 11645, 12015, 12193, 13617, 18495, 20961, 22695, 34935, 36579, 40851, 60965, 62883, 68085, 104805, 109737, 182895, 204255, 207281, 314415, 329211, 548685, 621843, 1036405, 1646055, 1865529, 3109215, 5596587, 9327645, 27982935]

約数ペア:

[(1, 27982935), (3, 9327645), (5, 5596587), (9, 3109215), (15, 1865529), (17, 1646055), (27, 1036405), (45, 621843), (51, 548685), (85, 329211), (89, 314415), (135, 207281), (137, 204255), (153, 182895), (255, 109737), (267, 104805), (411, 68085), (445, 62883), (459, 60965), (685, 40851), (765, 36579), (801, 34935), (1233, 22695), (1335, 20961), (1513, 18495), (2055, 13617), (2295, 12193), (2329, 12015), (2403, 11645), (3699, 7565), (4005, 6987), (4539, 6165)]