55780005

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{863}}^1$

素因数の和:1041

約数の個数: 32

約数和(自身を含む): 92897280

約数和(自身を除く): 37117275

約数列:

[1, 3, 5, 15, 31, 93, 139, 155, 417, 465, 695, 863, 2085, 2589, 4309, 4315, 12927, 12945, 21545, 26753, 64635, 80259, 119957, 133765, 359871, 401295, 599785, 1799355, 3718667, 11156001, 18593335, 55780005]

約数ペア:

[(1, 55780005), (3, 18593335), (5, 11156001), (15, 3718667), (31, 1799355), (93, 599785), (139, 401295), (155, 359871), (417, 133765), (465, 119957), (695, 80259), (863, 64635), (2085, 26753), (2589, 21545), (4309, 12945), (4315, 12927)]