81259815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1009}}^1$

素因数の和:1096

約数の個数: 64

約数和(自身を含む): 162892800

約数和(自身を除く): 81632985

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 59, 65, 91, 105, 177, 195, 273, 295, 413, 455, 767, 885, 1009, 1239, 1365, 2065, 2301, 3027, 3835, 5045, 5369, 6195, 7063, 11505, 13117, 15135, 16107, 21189, 26845, 35315, 39351, 59531, 65585, 80535, 91819, 105945, 178593, 196755, 275457, 297655, 416717, 459095, 773903, 892965, 1250151, 1377285, 2083585, 2321709, 3869515, 5417321, 6250755, 11608545, 16251963, 27086605, 81259815]

約数ペア:

[(1, 81259815), (3, 27086605), (5, 16251963), (7, 11608545), (13, 6250755), (15, 5417321), (21, 3869515), (35, 2321709), (39, 2083585), (59, 1377285), (65, 1250151), (91, 892965), (105, 773903), (177, 459095), (195, 416717), (273, 297655), (295, 275457), (413, 196755), (455, 178593), (767, 105945), (885, 91819), (1009, 80535), (1239, 65585), (1365, 59531), (2065, 39351), (2301, 35315), (3027, 26845), (3835, 21189), (5045, 16107), (5369, 15135), (6195, 13117), (7063, 11505)]