11815551

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 40

約数和(自身を含む): 19602000

約数和(自身を除く): 7786449

約数列:

[1, 3, 9, 11, 27, 33, 81, 89, 99, 149, 267, 297, 447, 801, 891, 979, 1341, 1639, 2403, 2937, 4023, 4917, 7209, 8811, 12069, 13261, 14751, 26433, 39783, 44253, 79299, 119349, 132759, 145871, 358047, 437613, 1074141, 1312839, 3938517, 11815551]

約数ペア:

[(1, 11815551), (3, 3938517), (9, 1312839), (11, 1074141), (27, 437613), (33, 358047), (81, 145871), (89, 132759), (99, 119349), (149, 79299), (267, 44253), (297, 39783), (447, 26433), (801, 14751), (891, 13261), (979, 12069), (1341, 8811), (1639, 7209), (2403, 4917), (2937, 4023)]