28298115

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 52767936

約数和(自身を除く): 24469821

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 521, 639, 765, 1065, 1207, 1563, 2605, 3195, 3621, 4689, 6035, 7815, 8857, 10863, 18105, 23445, 26571, 36991, 44285, 54315, 79713, 110973, 132855, 184955, 332919, 398565, 554865, 628847, 1664595, 1886541, 3144235, 5659623, 9432705, 28298115]

約数ペア:

[(1, 28298115), (3, 9432705), (5, 5659623), (9, 3144235), (15, 1886541), (17, 1664595), (45, 628847), (51, 554865), (71, 398565), (85, 332919), (153, 184955), (213, 132855), (255, 110973), (355, 79713), (521, 54315), (639, 44285), (765, 36991), (1065, 26571), (1207, 23445), (1563, 18105), (2605, 10863), (3195, 8857), (3621, 7815), (4689, 6035)]