31580109

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 53214720

約数和(自身を除く): 21634611

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 103, 163, 171, 209, 309, 489, 627, 927, 1133, 1467, 1793, 1881, 1957, 3097, 3399, 5379, 5871, 9291, 10197, 16137, 16789, 17613, 21527, 27873, 34067, 50367, 64581, 102201, 151101, 184679, 193743, 306603, 318991, 554037, 956973, 1662111, 2870919, 3508901, 10526703, 31580109]

約数ペア:

[(1, 31580109), (3, 10526703), (9, 3508901), (11, 2870919), (19, 1662111), (33, 956973), (57, 554037), (99, 318991), (103, 306603), (163, 193743), (171, 184679), (209, 151101), (309, 102201), (489, 64581), (627, 50367), (927, 34067), (1133, 27873), (1467, 21527), (1793, 17613), (1881, 16789), (1957, 16137), (3097, 10197), (3399, 9291), (5379, 5871)]