31473981

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15139}}^1$

素因数の和:15166

約数の個数: 32

約数和(自身を含む): 58137600

約数和(自身を除く): 26663619

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 15139, 45417, 105973, 136251, 166529, 317919, 408753, 499587, 953757, 1165703, 1498761, 2861271, 3497109, 4496283, 10491327, 31473981]

約数ペア:

[(1, 31473981), (3, 10491327), (7, 4496283), (9, 3497109), (11, 2861271), (21, 1498761), (27, 1165703), (33, 953757), (63, 499587), (77, 408753), (99, 317919), (189, 166529), (231, 136251), (297, 105973), (693, 45417), (2079, 15139)]