278360415

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{733}}^1$

素因数の和:873

約数の個数: 64

約数和(自身を含む): 517910400

約数和(自身を除く): 239549985

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 97, 135, 145, 261, 291, 435, 485, 733, 783, 873, 1305, 1455, 2199, 2619, 2813, 3665, 3915, 4365, 6597, 8439, 10995, 13095, 14065, 19791, 21257, 25317, 32985, 42195, 63771, 71101, 75951, 98955, 106285, 126585, 191313, 213303, 318855, 355505, 379755, 573939, 639909, 956565, 1066515, 1919727, 2061929, 2869695, 3199545, 6185787, 9598635, 10309645, 18557361, 30928935, 55672083, 92786805, 278360415]

約数ペア:

[(1, 278360415), (3, 92786805), (5, 55672083), (9, 30928935), (15, 18557361), (27, 10309645), (29, 9598635), (45, 6185787), (87, 3199545), (97, 2869695), (135, 2061929), (145, 1919727), (261, 1066515), (291, 956565), (435, 639909), (485, 573939), (733, 379755), (783, 355505), (873, 318855), (1305, 213303), (1455, 191313), (2199, 126585), (2619, 106285), (2813, 98955), (3665, 75951), (3915, 71101), (4365, 63771), (6597, 42195), (8439, 32985), (10995, 25317), (13095, 21257), (14065, 19791)]