26490261

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 41986048

約数和(自身を除く): 15495787

約数列:

[1, 3, 7, 21, 37, 103, 111, 259, 309, 331, 721, 777, 993, 2163, 2317, 3811, 6951, 11433, 12247, 26677, 34093, 36741, 80031, 85729, 102279, 238651, 257187, 715953, 1261441, 3784323, 8830087, 26490261]

約数ペア:

[(1, 26490261), (3, 8830087), (7, 3784323), (21, 1261441), (37, 715953), (103, 257187), (111, 238651), (259, 102279), (309, 85729), (331, 80031), (721, 36741), (777, 34093), (993, 26677), (2163, 12247), (2317, 11433), (3811, 6951)]