2108155

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 3133440

約数和(自身を除く): 1025285

約数列:

[1, 5, 7, 29, 31, 35, 67, 145, 155, 203, 217, 335, 469, 899, 1015, 1085, 1943, 2077, 2345, 4495, 6293, 9715, 10385, 13601, 14539, 31465, 60233, 68005, 72695, 301165, 421631, 2108155]

約数ペア:

[(1, 2108155), (5, 421631), (7, 301165), (29, 72695), (31, 68005), (35, 60233), (67, 31465), (145, 14539), (155, 13601), (203, 10385), (217, 9715), (335, 6293), (469, 4495), (899, 2345), (1015, 2077), (1085, 1943)]