15978705

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 26438400

約数和(自身を除く): 10459695

約数列:

[1, 3, 5, 15, 53, 101, 159, 199, 265, 303, 505, 597, 795, 995, 1515, 2985, 5353, 10547, 16059, 20099, 26765, 31641, 52735, 60297, 80295, 100495, 158205, 301485, 1065247, 3195741, 5326235, 15978705]

約数ペア:

[(1, 15978705), (3, 5326235), (5, 3195741), (15, 1065247), (53, 301485), (101, 158205), (159, 100495), (199, 80295), (265, 60297), (303, 52735), (505, 31641), (597, 26765), (795, 20099), (995, 16059), (1515, 10547), (2985, 5353)]