1820819

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 2612736

約数和(自身を除く): 791917

約数列:

[1, 7, 11, 13, 17, 77, 91, 107, 119, 143, 187, 221, 749, 1001, 1177, 1309, 1391, 1547, 1819, 2431, 8239, 9737, 12733, 15301, 17017, 20009, 23647, 107107, 140063, 165529, 260117, 1820819]

約数ペア:

[(1, 1820819), (7, 260117), (11, 165529), (13, 140063), (17, 107107), (77, 23647), (91, 20009), (107, 17017), (119, 15301), (143, 12733), (187, 9737), (221, 8239), (749, 2431), (1001, 1819), (1177, 1547), (1309, 1391)]