31158195

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 25865805

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 59, 85, 95, 109, 177, 255, 285, 295, 323, 327, 545, 885, 969, 1003, 1121, 1615, 1635, 1853, 2071, 3009, 3363, 4845, 5015, 5559, 5605, 6213, 6431, 9265, 10355, 15045, 16815, 19057, 19293, 27795, 31065, 32155, 35207, 57171, 95285, 96465, 105621, 109327, 122189, 176035, 285855, 327981, 366567, 528105, 546635, 610945, 1639905, 1832835, 2077213, 6231639, 10386065, 31158195]

約数ペア:

[(1, 31158195), (3, 10386065), (5, 6231639), (15, 2077213), (17, 1832835), (19, 1639905), (51, 610945), (57, 546635), (59, 528105), (85, 366567), (95, 327981), (109, 285855), (177, 176035), (255, 122189), (285, 109327), (295, 105621), (323, 96465), (327, 95285), (545, 57171), (885, 35207), (969, 32155), (1003, 31065), (1121, 27795), (1615, 19293), (1635, 19057), (1853, 16815), (2071, 15045), (3009, 10355), (3363, 9265), (4845, 6431), (5015, 6213), (5559, 5605)]