681907212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{2705981}}^1$

素因数の和:2705998

約数の個数: 36

約数和(自身を含む): 1969954896

約数和(自身を除く): 1288047684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 2705981, 5411962, 8117943, 10823924, 16235886, 18941867, 24353829, 32471772, 37883734, 48707658, 56825601, 75767468, 97415316, 113651202, 170476803, 227302404, 340953606, 681907212]

約数ペア:

[(1, 681907212), (2, 340953606), (3, 227302404), (4, 170476803), (6, 113651202), (7, 97415316), (9, 75767468), (12, 56825601), (14, 48707658), (18, 37883734), (21, 32471772), (28, 24353829), (36, 18941867), (42, 16235886), (63, 10823924), (84, 8117943), (126, 5411962), (252, 2705981)]