81873828

素因数分解:

$2^2\times 3^4\times {\mathrm{59}}^1\times {\mathrm{4283}}^1$

素因数の和:4358

約数の個数: 60

約数和(自身を含む): 217712880

約数和(自身を除く): 135839052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 59, 81, 108, 118, 162, 177, 236, 324, 354, 531, 708, 1062, 1593, 2124, 3186, 4283, 4779, 6372, 8566, 9558, 12849, 17132, 19116, 25698, 38547, 51396, 77094, 115641, 154188, 231282, 252697, 346923, 462564, 505394, 693846, 758091, 1010788, 1387692, 1516182, 2274273, 3032364, 4548546, 6822819, 9097092, 13645638, 20468457, 27291276, 40936914, 81873828]

約数ペア:

[(1, 81873828), (2, 40936914), (3, 27291276), (4, 20468457), (6, 13645638), (9, 9097092), (12, 6822819), (18, 4548546), (27, 3032364), (36, 2274273), (54, 1516182), (59, 1387692), (81, 1010788), (108, 758091), (118, 693846), (162, 505394), (177, 462564), (236, 346923), (324, 252697), (354, 231282), (531, 154188), (708, 115641), (1062, 77094), (1593, 51396), (2124, 38547), (3186, 25698), (4283, 19116), (4779, 17132), (6372, 12849), (8566, 9558)]