25511109

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21101}}^1$

素因数の和:21148

約数の個数: 16

約数和(自身を含む): 37814784

約数和(自身を除く): 12303675

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 21101, 63303, 274313, 654131, 822939, 1962393, 8503703, 25511109]

約数ペア:

[(1, 25511109), (3, 8503703), (13, 1962393), (31, 822939), (39, 654131), (93, 274313), (403, 63303), (1209, 21101)]