31506267

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{313}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 47476800

約数和(自身を除く): 15970533

約数列:

[1, 3, 13, 29, 39, 87, 89, 267, 313, 377, 939, 1131, 1157, 2581, 3471, 4069, 7743, 9077, 12207, 27231, 27857, 33553, 83571, 100659, 118001, 354003, 362141, 807853, 1086423, 2423559, 10502089, 31506267]

約数ペア:

[(1, 31506267), (3, 10502089), (13, 2423559), (29, 1086423), (39, 807853), (87, 362141), (89, 354003), (267, 118001), (313, 100659), (377, 83571), (939, 33553), (1131, 27857), (1157, 27231), (2581, 12207), (3471, 9077), (4069, 7743)]