898989

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 1532160

約数和(自身を除く): 633171

約数列:

[1, 3, 7, 13, 21, 37, 39, 89, 91, 111, 259, 267, 273, 481, 623, 777, 1157, 1443, 1869, 3293, 3367, 3471, 8099, 9879, 10101, 23051, 24297, 42809, 69153, 128427, 299663, 898989]

約数ペア:

[(1, 898989), (3, 299663), (7, 128427), (13, 69153), (21, 42809), (37, 24297), (39, 23051), (89, 10101), (91, 9879), (111, 8099), (259, 3471), (267, 3367), (273, 3293), (481, 1869), (623, 1443), (777, 1157)]