11871405

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{223}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 25579008

約数和(自身を除く): 13707603

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 35, 39, 45, 63, 65, 91, 105, 117, 169, 195, 223, 273, 315, 455, 507, 585, 669, 819, 845, 1115, 1183, 1365, 1521, 1561, 2007, 2535, 2899, 3345, 3549, 4095, 4683, 5915, 7605, 7805, 8697, 10035, 10647, 14049, 14495, 17745, 20293, 23415, 26091, 37687, 43485, 53235, 60879, 70245, 101465, 113061, 130455, 182637, 188435, 263809, 304395, 339183, 565305, 791427, 913185, 1319045, 1695915, 2374281, 3957135, 11871405]

約数ペア:

[(1, 11871405), (3, 3957135), (5, 2374281), (7, 1695915), (9, 1319045), (13, 913185), (15, 791427), (21, 565305), (35, 339183), (39, 304395), (45, 263809), (63, 188435), (65, 182637), (91, 130455), (105, 113061), (117, 101465), (169, 70245), (195, 60879), (223, 53235), (273, 43485), (315, 37687), (455, 26091), (507, 23415), (585, 20293), (669, 17745), (819, 14495), (845, 14049), (1115, 10647), (1183, 10035), (1365, 8697), (1521, 7805), (1561, 7605), (2007, 5915), (2535, 4683), (2899, 4095), (3345, 3549)]