291213131

素因数分解:

${\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{1129}}^1$

素因数の和:1450

約数の個数: 16

約数和(自身を含む): 322185600

約数和(自身を除く): 30972469

約数列:

[1, 11, 131, 179, 1129, 1441, 1969, 12419, 23449, 147899, 202091, 257939, 1626889, 2223001, 26473921, 291213131]

約数ペア:

[(1, 291213131), (11, 26473921), (131, 2223001), (179, 1626889), (1129, 257939), (1441, 202091), (1969, 147899), (12419, 23449)]