8121225

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 15872000

約数和(自身を除く): 7750775

約数列:

[1, 3, 5, 7, 15, 21, 25, 31, 35, 75, 93, 105, 155, 175, 217, 465, 499, 525, 651, 775, 1085, 1497, 2325, 2495, 3255, 3493, 5425, 7485, 10479, 12475, 15469, 16275, 17465, 37425, 46407, 52395, 77345, 87325, 108283, 232035, 261975, 324849, 386725, 541415, 1160175, 1624245, 2707075, 8121225]

約数ペア:

[(1, 8121225), (3, 2707075), (5, 1624245), (7, 1160175), (15, 541415), (21, 386725), (25, 324849), (31, 261975), (35, 232035), (75, 108283), (93, 87325), (105, 77345), (155, 52395), (175, 46407), (217, 37425), (465, 17465), (499, 16275), (525, 15469), (651, 12475), (775, 10479), (1085, 7485), (1497, 5425), (2325, 3493), (2495, 3255)]