28119945

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 54411264

約数和(自身を除く): 26291319

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 53, 93, 105, 155, 159, 163, 217, 265, 371, 465, 489, 651, 795, 815, 1085, 1113, 1141, 1643, 1855, 2445, 3255, 3423, 4929, 5053, 5565, 5705, 8215, 8639, 11501, 15159, 17115, 24645, 25265, 25917, 34503, 35371, 43195, 57505, 60473, 75795, 106113, 129585, 172515, 176855, 181419, 267809, 302365, 530565, 803427, 907095, 1339045, 1874663, 4017135, 5623989, 9373315, 28119945]

約数ペア:

[(1, 28119945), (3, 9373315), (5, 5623989), (7, 4017135), (15, 1874663), (21, 1339045), (31, 907095), (35, 803427), (53, 530565), (93, 302365), (105, 267809), (155, 181419), (159, 176855), (163, 172515), (217, 129585), (265, 106113), (371, 75795), (465, 60473), (489, 57505), (651, 43195), (795, 35371), (815, 34503), (1085, 25917), (1113, 25265), (1141, 24645), (1643, 17115), (1855, 15159), (2445, 11501), (3255, 8639), (3423, 8215), (4929, 5705), (5053, 5565)]