400747995

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:732

約数の個数: 48

約数和(自身を含む): 706017312

約数和(自身を除く): 305269317

約数列:

[1, 3, 5, 9, 15, 45, 131, 157, 393, 433, 471, 655, 785, 1179, 1299, 1413, 1965, 2165, 2355, 3897, 5895, 6495, 7065, 19485, 20567, 56723, 61701, 67981, 102835, 170169, 185103, 203943, 283615, 308505, 339905, 510507, 611829, 850845, 925515, 1019715, 2552535, 3059145, 8905511, 26716533, 44527555, 80149599, 133582665, 400747995]

約数ペア:

[(1, 400747995), (3, 133582665), (5, 80149599), (9, 44527555), (15, 26716533), (45, 8905511), (131, 3059145), (157, 2552535), (393, 1019715), (433, 925515), (471, 850845), (655, 611829), (785, 510507), (1179, 339905), (1299, 308505), (1413, 283615), (1965, 203943), (2165, 185103), (2355, 170169), (3897, 102835), (5895, 67981), (6495, 61701), (7065, 56723), (19485, 20567)]