12642885

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:120

約数の個数: 80

約数和(自身を含む): 25090560

約数和(自身を除く): 12447675

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 45, 53, 57, 81, 93, 95, 135, 155, 159, 171, 265, 279, 285, 405, 465, 477, 513, 589, 795, 837, 855, 1007, 1395, 1431, 1539, 1643, 1767, 2385, 2511, 2565, 2945, 3021, 4185, 4293, 4929, 5035, 5301, 7155, 7695, 8215, 8835, 9063, 12555, 14787, 15105, 15903, 21465, 24645, 26505, 27189, 31217, 44361, 45315, 47709, 73935, 79515, 81567, 93651, 133083, 135945, 156085, 221805, 238545, 280953, 407835, 468255, 665415, 842859, 1404765, 2528577, 4214295, 12642885]

約数ペア:

[(1, 12642885), (3, 4214295), (5, 2528577), (9, 1404765), (15, 842859), (19, 665415), (27, 468255), (31, 407835), (45, 280953), (53, 238545), (57, 221805), (81, 156085), (93, 135945), (95, 133083), (135, 93651), (155, 81567), (159, 79515), (171, 73935), (265, 47709), (279, 45315), (285, 44361), (405, 31217), (465, 27189), (477, 26505), (513, 24645), (589, 21465), (795, 15903), (837, 15105), (855, 14787), (1007, 12555), (1395, 9063), (1431, 8835), (1539, 8215), (1643, 7695), (1767, 7155), (2385, 5301), (2511, 5035), (2565, 4929), (2945, 4293), (3021, 4185)]