205864335

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:930

約数の個数: 80

約数和(自身を含む): 401448960

約数和(自身を除く): 195584625

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 45, 57, 81, 93, 95, 135, 155, 171, 279, 285, 405, 465, 513, 589, 837, 855, 863, 1395, 1539, 1767, 2511, 2565, 2589, 2945, 4185, 4315, 5301, 7695, 7767, 8835, 12555, 12945, 15903, 16397, 23301, 26505, 26753, 38835, 47709, 49191, 69903, 79515, 80259, 81985, 116505, 133765, 147573, 238545, 240777, 245955, 349515, 401295, 442719, 508307, 722331, 737865, 1203885, 1328157, 1524921, 2166993, 2213595, 2541535, 3611655, 4574763, 6640785, 7624605, 10834965, 13724289, 22873815, 41172867, 68621445, 205864335]

約数ペア:

[(1, 205864335), (3, 68621445), (5, 41172867), (9, 22873815), (15, 13724289), (19, 10834965), (27, 7624605), (31, 6640785), (45, 4574763), (57, 3611655), (81, 2541535), (93, 2213595), (95, 2166993), (135, 1524921), (155, 1328157), (171, 1203885), (279, 737865), (285, 722331), (405, 508307), (465, 442719), (513, 401295), (589, 349515), (837, 245955), (855, 240777), (863, 238545), (1395, 147573), (1539, 133765), (1767, 116505), (2511, 81985), (2565, 80259), (2589, 79515), (2945, 69903), (4185, 49191), (4315, 47709), (5301, 38835), (7695, 26753), (7767, 26505), (8835, 23301), (12555, 16397), (12945, 15903)]