79720395

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1571}}^1$

素因数の和:1795

約数の個数: 32

約数和(自身を含む): 135820800

約数和(自身を除く): 56100405

約数列:

[1, 3, 5, 15, 17, 51, 85, 199, 255, 597, 995, 1571, 2985, 3383, 4713, 7855, 10149, 16915, 23565, 26707, 50745, 80121, 133535, 312629, 400605, 937887, 1563145, 4689435, 5314693, 15944079, 26573465, 79720395]

約数ペア:

[(1, 79720395), (3, 26573465), (5, 15944079), (15, 5314693), (17, 4689435), (51, 1563145), (85, 937887), (199, 400605), (255, 312629), (597, 133535), (995, 80121), (1571, 50745), (2985, 26707), (3383, 23565), (4713, 16915), (7855, 10149)]