31288041

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 51667200

約数和(自身を除く): 20379159

約数列:

[1, 3, 9, 17, 19, 47, 51, 57, 141, 153, 171, 229, 323, 423, 687, 799, 893, 969, 2061, 2397, 2679, 2907, 3893, 4351, 7191, 8037, 10763, 11679, 13053, 15181, 32289, 35037, 39159, 45543, 73967, 96867, 136629, 182971, 204497, 221901, 548913, 613491, 665703, 1646739, 1840473, 3476449, 10429347, 31288041]

約数ペア:

[(1, 31288041), (3, 10429347), (9, 3476449), (17, 1840473), (19, 1646739), (47, 665703), (51, 613491), (57, 548913), (141, 221901), (153, 204497), (171, 182971), (229, 136629), (323, 96867), (423, 73967), (687, 45543), (799, 39159), (893, 35037), (969, 32289), (2061, 15181), (2397, 13053), (2679, 11679), (2907, 10763), (3893, 8037), (4351, 7191)]