131427279

素因数分解:

$3^5\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 204422400

約数和(自身を除く): 72995121

約数列:

[1, 3, 9, 27, 59, 81, 89, 103, 177, 243, 267, 309, 531, 801, 927, 1593, 2403, 2781, 4779, 5251, 6077, 7209, 8343, 9167, 14337, 15753, 18231, 21627, 25029, 27501, 47259, 54693, 82503, 141777, 164079, 247509, 425331, 492237, 540853, 742527, 1275993, 1476711, 1622559, 2227581, 4867677, 14603031, 43809093, 131427279]

約数ペア:

[(1, 131427279), (3, 43809093), (9, 14603031), (27, 4867677), (59, 2227581), (81, 1622559), (89, 1476711), (103, 1275993), (177, 742527), (243, 540853), (267, 492237), (309, 425331), (531, 247509), (801, 164079), (927, 141777), (1593, 82503), (2403, 54693), (2781, 47259), (4779, 27501), (5251, 25029), (6077, 21627), (7209, 18231), (8343, 15753), (9167, 14337)]