78363999

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3851}}^1$

素因数の和:3900

約数の個数: 48

約数和(自身を含む): 144218880

約数和(自身を除く): 65854881

約数列:

[1, 3, 7, 9, 17, 19, 21, 51, 57, 63, 119, 133, 153, 171, 323, 357, 399, 969, 1071, 1197, 2261, 2907, 3851, 6783, 11553, 20349, 26957, 34659, 65467, 73169, 80871, 196401, 219507, 242613, 458269, 512183, 589203, 658521, 1243873, 1374807, 1536549, 3731619, 4124421, 4609647, 8707111, 11194857, 26121333, 78363999]

約数ペア:

[(1, 78363999), (3, 26121333), (7, 11194857), (9, 8707111), (17, 4609647), (19, 4124421), (21, 3731619), (51, 1536549), (57, 1374807), (63, 1243873), (119, 658521), (133, 589203), (153, 512183), (171, 458269), (323, 242613), (357, 219507), (399, 196401), (969, 80871), (1071, 73169), (1197, 65467), (2261, 34659), (2907, 26957), (3851, 20349), (6783, 11553)]