66816645

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{90907}}^1$

素因数の和:90929

約数の個数: 24

約数和(自身を含む): 124362144

約数和(自身を除く): 57545499

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 90907, 272721, 454535, 636349, 1363605, 1909047, 3181745, 4454443, 9545235, 13363329, 22272215, 66816645]

約数ペア:

[(1, 66816645), (3, 22272215), (5, 13363329), (7, 9545235), (15, 4454443), (21, 3181745), (35, 1909047), (49, 1363605), (105, 636349), (147, 454535), (245, 272721), (735, 90907)]