28306215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3907}}^1$

素因数の和:3948

約数の個数: 48

約数和(自身を含む): 58526208

約数和(自身を除く): 30219993

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 63, 69, 105, 115, 161, 207, 315, 345, 483, 805, 1035, 1449, 2415, 3907, 7245, 11721, 19535, 27349, 35163, 58605, 82047, 89861, 136745, 175815, 246141, 269583, 410235, 449305, 629027, 808749, 1230705, 1347915, 1887081, 3145135, 4043745, 5661243, 9435405, 28306215]

約数ペア:

[(1, 28306215), (3, 9435405), (5, 5661243), (7, 4043745), (9, 3145135), (15, 1887081), (21, 1347915), (23, 1230705), (35, 808749), (45, 629027), (63, 449305), (69, 410235), (105, 269583), (115, 246141), (161, 175815), (207, 136745), (315, 89861), (345, 82047), (483, 58605), (805, 35163), (1035, 27349), (1449, 19535), (2415, 11721), (3907, 7245)]