25251993

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23981}}^1$

素因数の和:24006

約数の個数: 20

約数和(自身を含む): 40625508

約数和(自身を除く): 15373515

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 23981, 71943, 215829, 311753, 647487, 935259, 1942461, 2805777, 8417331, 25251993]

約数ペア:

[(1, 25251993), (3, 8417331), (9, 2805777), (13, 1942461), (27, 935259), (39, 647487), (81, 311753), (117, 215829), (351, 71943), (1053, 23981)]