17854785

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1327}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 34804224

約数和(自身を除く): 16949439

約数列:

[1, 3, 5, 9, 13, 15, 23, 39, 45, 65, 69, 115, 117, 195, 207, 299, 345, 585, 897, 1035, 1327, 1495, 2691, 3981, 4485, 6635, 11943, 13455, 17251, 19905, 30521, 51753, 59715, 86255, 91563, 152605, 155259, 258765, 274689, 396773, 457815, 776295, 1190319, 1373445, 1983865, 3570957, 5951595, 17854785]

約数ペア:

[(1, 17854785), (3, 5951595), (5, 3570957), (9, 1983865), (13, 1373445), (15, 1190319), (23, 776295), (39, 457815), (45, 396773), (65, 274689), (69, 258765), (115, 155259), (117, 152605), (195, 91563), (207, 86255), (299, 59715), (345, 51753), (585, 30521), (897, 19905), (1035, 17251), (1327, 13455), (1495, 11943), (2691, 6635), (3981, 4485)]