27406015

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 64

約数和(自身を含む): 43868160

約数和(自身を除く): 16462145

約数列:

[1, 5, 7, 13, 29, 31, 35, 65, 67, 91, 145, 155, 203, 217, 335, 377, 403, 455, 469, 871, 899, 1015, 1085, 1885, 1943, 2015, 2077, 2345, 2639, 2821, 4355, 4495, 6097, 6293, 9715, 10385, 11687, 13195, 13601, 14105, 14539, 25259, 27001, 30485, 31465, 58435, 60233, 68005, 72695, 81809, 126295, 135005, 176813, 189007, 301165, 409045, 421631, 783029, 884065, 945035, 2108155, 3915145, 5481203, 27406015]

約数ペア:

[(1, 27406015), (5, 5481203), (7, 3915145), (13, 2108155), (29, 945035), (31, 884065), (35, 783029), (65, 421631), (67, 409045), (91, 301165), (145, 189007), (155, 176813), (203, 135005), (217, 126295), (335, 81809), (377, 72695), (403, 68005), (455, 60233), (469, 58435), (871, 31465), (899, 30485), (1015, 27001), (1085, 25259), (1885, 14539), (1943, 14105), (2015, 13601), (2077, 13195), (2345, 11687), (2639, 10385), (2821, 9715), (4355, 6293), (4495, 6097)]