1921103475

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{7177}}^1$

素因数の和:7316

約数の個数: 48

約数和(自身を含む): 3289706112

約数和(自身を除く): 1368602637

約数列:

[1, 3, 5, 15, 25, 43, 75, 83, 129, 215, 249, 415, 645, 1075, 1245, 2075, 3225, 3569, 6225, 7177, 10707, 17845, 21531, 35885, 53535, 89225, 107655, 179425, 267675, 308611, 538275, 595691, 925833, 1543055, 1787073, 2978455, 4629165, 7715275, 8935365, 14892275, 23145825, 25614713, 44676825, 76844139, 128073565, 384220695, 640367825, 1921103475]

約数ペア:

[(1, 1921103475), (3, 640367825), (5, 384220695), (15, 128073565), (25, 76844139), (43, 44676825), (75, 25614713), (83, 23145825), (129, 14892275), (215, 8935365), (249, 7715275), (415, 4629165), (645, 2978455), (1075, 1787073), (1245, 1543055), (2075, 925833), (3225, 595691), (3569, 538275), (6225, 308611), (7177, 267675), (10707, 179425), (17845, 107655), (21531, 89225), (35885, 53535)]