28550655

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{389}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 56946240

約数和(自身を除く): 28395585

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 233, 315, 389, 699, 1165, 1167, 1631, 1945, 2097, 2723, 3495, 3501, 4893, 5835, 8155, 8169, 10485, 13615, 14679, 17505, 24465, 24507, 40845, 73395, 90637, 122535, 271911, 453185, 634459, 815733, 1359555, 1903377, 3172295, 4078665, 5710131, 9516885, 28550655]

約数ペア:

[(1, 28550655), (3, 9516885), (5, 5710131), (7, 4078665), (9, 3172295), (15, 1903377), (21, 1359555), (35, 815733), (45, 634459), (63, 453185), (105, 271911), (233, 122535), (315, 90637), (389, 73395), (699, 40845), (1165, 24507), (1167, 24465), (1631, 17505), (1945, 14679), (2097, 13615), (2723, 10485), (3495, 8169), (3501, 8155), (4893, 5835)]