15971901

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 24281088

約数和(自身を除く): 8309187

約数列:

[1, 3, 11, 33, 37, 103, 111, 127, 309, 381, 407, 1133, 1221, 1397, 3399, 3811, 4191, 4699, 11433, 13081, 14097, 39243, 41921, 51689, 125763, 143891, 155067, 431673, 483997, 1451991, 5323967, 15971901]

約数ペア:

[(1, 15971901), (3, 5323967), (11, 1451991), (33, 483997), (37, 431673), (103, 155067), (111, 143891), (127, 125763), (309, 51689), (381, 41921), (407, 39243), (1133, 14097), (1221, 13081), (1397, 11433), (3399, 4699), (3811, 4191)]