81190188

素因数分解:

$2^2\times 3^7\times {\mathrm{9281}}^1$

素因数の和:9306

約数の個数: 48

約数和(自身を含む): 213114720

約数和(自身を除く): 131924532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2187, 2916, 4374, 8748, 9281, 18562, 27843, 37124, 55686, 83529, 111372, 167058, 250587, 334116, 501174, 751761, 1002348, 1503522, 2255283, 3007044, 4510566, 6765849, 9021132, 13531698, 20297547, 27063396, 40595094, 81190188]

約数ペア:

[(1, 81190188), (2, 40595094), (3, 27063396), (4, 20297547), (6, 13531698), (9, 9021132), (12, 6765849), (18, 4510566), (27, 3007044), (36, 2255283), (54, 1503522), (81, 1002348), (108, 751761), (162, 501174), (243, 334116), (324, 250587), (486, 167058), (729, 111372), (972, 83529), (1458, 55686), (2187, 37124), (2916, 27843), (4374, 18562), (8748, 9281)]