28641921

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17713}}^1$

素因数の和:17741

約数の個数: 24

約数和(自身を含む): 48465504

約数和(自身を除く): 19823583

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 17713, 53139, 123991, 194843, 371973, 584529, 867937, 1363901, 2603811, 4091703, 9547307, 28641921]

約数ペア:

[(1, 28641921), (3, 9547307), (7, 4091703), (11, 2603811), (21, 1363901), (33, 867937), (49, 584529), (77, 371973), (147, 194843), (231, 123991), (539, 53139), (1617, 17713)]