15680613

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{353}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 24264576

約数和(自身を除く): 8583963

約数列:

[1, 3, 13, 17, 39, 51, 67, 201, 221, 353, 663, 871, 1059, 1139, 2613, 3417, 4589, 6001, 13767, 14807, 18003, 23651, 44421, 70953, 78013, 234039, 307463, 402067, 922389, 1206201, 5226871, 15680613]

約数ペア:

[(1, 15680613), (3, 5226871), (13, 1206201), (17, 922389), (39, 402067), (51, 307463), (67, 234039), (201, 78013), (221, 70953), (353, 44421), (663, 23651), (871, 18003), (1059, 14807), (1139, 13767), (2613, 6001), (3417, 4589)]