1215696978

素因数分解:

$2^1\times 3^3\times {\mathrm{107}}^1\times {\mathrm{210401}}^1$

素因数の和:210519

約数の個数: 32

約数和(自身を含む): 2726809920

約数和(自身を除く): 1511112942

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 107, 214, 321, 642, 963, 1926, 2889, 5778, 210401, 420802, 631203, 1262406, 1893609, 3787218, 5680827, 11361654, 22512907, 45025814, 67538721, 135077442, 202616163, 405232326, 607848489, 1215696978]

約数ペア:

[(1, 1215696978), (2, 607848489), (3, 405232326), (6, 202616163), (9, 135077442), (18, 67538721), (27, 45025814), (54, 22512907), (107, 11361654), (214, 5680827), (321, 3787218), (642, 1893609), (963, 1262406), (1926, 631203), (2889, 420802), (5778, 210401)]