81684612

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{4133}}^1$

素因数の和:4210

約数の個数: 60

約数和(自身を含む): 217092876

約数和(自身を除く): 135408264

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 244, 324, 366, 549, 732, 1098, 1647, 2196, 3294, 4133, 4941, 6588, 8266, 9882, 12399, 16532, 19764, 24798, 37197, 49596, 74394, 111591, 148788, 223182, 252113, 334773, 446364, 504226, 669546, 756339, 1008452, 1339092, 1512678, 2269017, 3025356, 4538034, 6807051, 9076068, 13614102, 20421153, 27228204, 40842306, 81684612]

約数ペア:

[(1, 81684612), (2, 40842306), (3, 27228204), (4, 20421153), (6, 13614102), (9, 9076068), (12, 6807051), (18, 4538034), (27, 3025356), (36, 2269017), (54, 1512678), (61, 1339092), (81, 1008452), (108, 756339), (122, 669546), (162, 504226), (183, 446364), (244, 334773), (324, 252113), (366, 223182), (549, 148788), (732, 111591), (1098, 74394), (1647, 49596), (2196, 37197), (3294, 24798), (4133, 19764), (4941, 16532), (6588, 12399), (8266, 9882)]