187885845

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{28403}}^1$

素因数の和:28431

約数の個数: 48

約数和(自身を含む): 388566720

約数和(自身を除く): 200680875

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 6615, 28403, 85209, 142015, 198821, 255627, 426045, 596463, 766881, 994105, 1278135, 1391747, 1789389, 2982315, 3834405, 4175241, 5368167, 6958735, 8946945, 12525723, 20876205, 26840835, 37577169, 62628615, 187885845]

約数ペア:

[(1, 187885845), (3, 62628615), (5, 37577169), (7, 26840835), (9, 20876205), (15, 12525723), (21, 8946945), (27, 6958735), (35, 5368167), (45, 4175241), (49, 3834405), (63, 2982315), (105, 1789389), (135, 1391747), (147, 1278135), (189, 994105), (245, 766881), (315, 596463), (441, 426045), (735, 255627), (945, 198821), (1323, 142015), (2205, 85209), (6615, 28403)]