25151553

素因数分解:

$3^4\times 7^2\times {\mathrm{6337}}^1$

素因数の和:6363

約数の個数: 30

約数和(自身を含む): 43713186

約数和(自身を除く): 18561633

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 6337, 19011, 44359, 57033, 133077, 171099, 310513, 399231, 513297, 931539, 1197693, 2794617, 3593079, 8383851, 25151553]

約数ペア:

[(1, 25151553), (3, 8383851), (7, 3593079), (9, 2794617), (21, 1197693), (27, 931539), (49, 513297), (63, 399231), (81, 310513), (147, 171099), (189, 133077), (441, 57033), (567, 44359), (1323, 19011), (3969, 6337)]