678772017

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{51551}}^1$

素因数の和:51594

約数の個数: 48

約数和(自身を含む): 1286737920

約数和(自身を除く): 607965903

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 171, 209, 231, 399, 627, 693, 1197, 1463, 1881, 4389, 13167, 51551, 154653, 360857, 463959, 567061, 979469, 1082571, 1701183, 2938407, 3247713, 3969427, 5103549, 6856283, 8815221, 10774159, 11908281, 20568849, 32322477, 35724843, 61706547, 75419113, 96967431, 226257339, 678772017]

約数ペア:

[(1, 678772017), (3, 226257339), (7, 96967431), (9, 75419113), (11, 61706547), (19, 35724843), (21, 32322477), (33, 20568849), (57, 11908281), (63, 10774159), (77, 8815221), (99, 6856283), (133, 5103549), (171, 3969427), (209, 3247713), (231, 2938407), (399, 1701183), (627, 1082571), (693, 979469), (1197, 567061), (1463, 463959), (1881, 360857), (4389, 154653), (13167, 51551)]