1028920545

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{1291}}^1$

素因数の和:1590

約数の個数: 48

約数和(自身を含む): 1813968000

約数和(自身を除く): 785047455

約数列:

[1, 3, 5, 9, 15, 45, 89, 199, 267, 445, 597, 801, 995, 1291, 1335, 1791, 2985, 3873, 4005, 6455, 8955, 11619, 17711, 19365, 53133, 58095, 88555, 114899, 159399, 256909, 265665, 344697, 574495, 770727, 796995, 1034091, 1284545, 1723485, 2312181, 3853635, 5170455, 11560905, 22864901, 68594703, 114324505, 205784109, 342973515, 1028920545]

約数ペア:

[(1, 1028920545), (3, 342973515), (5, 205784109), (9, 114324505), (15, 68594703), (45, 22864901), (89, 11560905), (199, 5170455), (267, 3853635), (445, 2312181), (597, 1723485), (801, 1284545), (995, 1034091), (1291, 796995), (1335, 770727), (1791, 574495), (2985, 344697), (3873, 265665), (4005, 256909), (6455, 159399), (8955, 114899), (11619, 88555), (17711, 58095), (19365, 53133)]