31147893

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 55111680

約数和(自身を除く): 23963787

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 127, 153, 229, 357, 381, 687, 889, 1071, 1143, 1603, 2061, 2159, 2667, 3893, 4809, 6477, 8001, 11679, 14427, 15113, 19431, 27251, 29083, 35037, 45339, 81753, 87249, 136017, 203581, 245259, 261747, 494411, 610743, 1483233, 1832229, 3460877, 4449699, 10382631, 31147893]

約数ペア:

[(1, 31147893), (3, 10382631), (7, 4449699), (9, 3460877), (17, 1832229), (21, 1483233), (51, 610743), (63, 494411), (119, 261747), (127, 245259), (153, 203581), (229, 136017), (357, 87249), (381, 81753), (687, 45339), (889, 35037), (1071, 29083), (1143, 27251), (1603, 19431), (2061, 15113), (2159, 14427), (2667, 11679), (3893, 8001), (4809, 6477)]