215316101

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12653}}^1$

素因数の和:12701

約数の個数: 32

約数和(自身を含む): 306125568

約数和(自身を除く): 90809467

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1309, 1547, 2431, 12653, 17017, 88571, 139183, 164489, 215101, 974281, 1151423, 1505707, 1809379, 2366111, 2796313, 12665653, 16562777, 19574191, 30759443, 215316101]

約数ペア:

[(1, 215316101), (7, 30759443), (11, 19574191), (13, 16562777), (17, 12665653), (77, 2796313), (91, 2366111), (119, 1809379), (143, 1505707), (187, 1151423), (221, 974281), (1001, 215101), (1309, 164489), (1547, 139183), (2431, 88571), (12653, 17017)]