278310945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{17389}}^1$

素因数の和:17505

約数の個数: 32

約数和(自身を含む): 490815360

約数和(自身を除く): 212504415

約数列:

[1, 3, 5, 11, 15, 33, 55, 97, 165, 291, 485, 1067, 1455, 3201, 5335, 16005, 17389, 52167, 86945, 191279, 260835, 573837, 956395, 1686733, 2869185, 5060199, 8433665, 18554063, 25300995, 55662189, 92770315, 278310945]

約数ペア:

[(1, 278310945), (3, 92770315), (5, 55662189), (11, 25300995), (15, 18554063), (33, 8433665), (55, 5060199), (97, 2869185), (165, 1686733), (291, 956395), (485, 573837), (1067, 260835), (1455, 191279), (3201, 86945), (5335, 52167), (16005, 17389)]