3915145

素因数分解:

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

素因数の和:145

約数の個数: 32

約数和(自身を含む): 5483520

約数和(自身を除く): 1568375

約数列:

[1, 5, 13, 29, 31, 65, 67, 145, 155, 335, 377, 403, 871, 899, 1885, 1943, 2015, 2077, 4355, 4495, 9715, 10385, 11687, 25259, 27001, 58435, 60233, 126295, 135005, 301165, 783029, 3915145]

約数ペア:

[(1, 3915145), (5, 783029), (13, 301165), (29, 135005), (31, 126295), (65, 60233), (67, 58435), (145, 27001), (155, 25259), (335, 11687), (377, 10385), (403, 9715), (871, 4495), (899, 4355), (1885, 2077), (1943, 2015)]