289453965

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{17851}}^1$

素因数の和:17929

約数の個数: 32

約数和(自身を含む): 493572096

約数和(自身を除く): 204118131

約数列:

[1, 3, 5, 15, 23, 47, 69, 115, 141, 235, 345, 705, 1081, 3243, 5405, 16215, 17851, 53553, 89255, 267765, 410573, 838997, 1231719, 2052865, 2516991, 4194985, 6158595, 12584955, 19296931, 57890793, 96484655, 289453965]

約数ペア:

[(1, 289453965), (3, 96484655), (5, 57890793), (15, 19296931), (23, 12584955), (47, 6158595), (69, 4194985), (115, 2516991), (141, 2052865), (235, 1231719), (345, 838997), (705, 410573), (1081, 267765), (3243, 89255), (5405, 53553), (16215, 17851)]