18036405

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:331

約数の個数: 64

約数和(自身を含む): 35251200

約数和(自身を除く): 17214795

約数列:

[1, 3, 5, 9, 15, 17, 27, 29, 45, 51, 85, 87, 135, 145, 153, 255, 261, 271, 435, 459, 493, 765, 783, 813, 1305, 1355, 1479, 2295, 2439, 2465, 3915, 4065, 4437, 4607, 7317, 7395, 7859, 12195, 13311, 13821, 22185, 23035, 23577, 36585, 39295, 41463, 66555, 69105, 70731, 117885, 124389, 133603, 207315, 212193, 353655, 400809, 621945, 668015, 1060965, 1202427, 2004045, 3607281, 6012135, 18036405]

約数ペア:

[(1, 18036405), (3, 6012135), (5, 3607281), (9, 2004045), (15, 1202427), (17, 1060965), (27, 668015), (29, 621945), (45, 400809), (51, 353655), (85, 212193), (87, 207315), (135, 133603), (145, 124389), (153, 117885), (255, 70731), (261, 69105), (271, 66555), (435, 41463), (459, 39295), (493, 36585), (765, 23577), (783, 23035), (813, 22185), (1305, 13821), (1355, 13311), (1479, 12195), (2295, 7859), (2439, 7395), (2465, 7317), (3915, 4607), (4065, 4437)]