27571887

素因数分解:

$3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1291}}^1$

素因数の和:1420

約数の個数: 32

約数和(自身を含む): 47132160

約数和(自身を除く): 19560273

約数列:

[1, 3, 7, 9, 21, 27, 63, 113, 189, 339, 791, 1017, 1291, 2373, 3051, 3873, 7119, 9037, 11619, 21357, 27111, 34857, 81333, 145883, 243999, 437649, 1021181, 1312947, 3063543, 3938841, 9190629, 27571887]

約数ペア:

[(1, 27571887), (3, 9190629), (7, 3938841), (9, 3063543), (21, 1312947), (27, 1021181), (63, 437649), (113, 243999), (189, 145883), (339, 81333), (791, 34857), (1017, 27111), (1291, 21357), (2373, 11619), (3051, 9037), (3873, 7119)]