25197561

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{4643}}^1$

素因数の和:4722

約数の個数: 20

約数和(自身を含む): 38210832

約数和(自身を除く): 13013271

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 4643, 5427, 13929, 41787, 125361, 311081, 376083, 933243, 2799729, 8399187, 25197561]

約数ペア:

[(1, 25197561), (3, 8399187), (9, 2799729), (27, 933243), (67, 376083), (81, 311081), (201, 125361), (603, 41787), (1809, 13929), (4643, 5427)]