990147285

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37357}}^1$

素因数の和:37418

約数の個数: 48

約数和(自身を含む): 1864911360

約数和(自身を除く): 874764075

約数列:

[1, 3, 5, 9, 15, 19, 31, 45, 57, 93, 95, 155, 171, 279, 285, 465, 589, 855, 1395, 1767, 2945, 5301, 8835, 26505, 37357, 112071, 186785, 336213, 560355, 709783, 1158067, 1681065, 2129349, 3474201, 3548915, 5790335, 6388047, 10422603, 10646745, 17371005, 22003273, 31940235, 52113015, 66009819, 110016365, 198029457, 330049095, 990147285]

約数ペア:

[(1, 990147285), (3, 330049095), (5, 198029457), (9, 110016365), (15, 66009819), (19, 52113015), (31, 31940235), (45, 22003273), (57, 17371005), (93, 10646745), (95, 10422603), (155, 6388047), (171, 5790335), (279, 3548915), (285, 3474201), (465, 2129349), (589, 1681065), (855, 1158067), (1395, 709783), (1767, 560355), (2945, 336213), (5301, 186785), (8835, 112071), (26505, 37357)]