68820465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21143}}^1$

素因数の和:21189

約数の個数: 32

約数和(自身を含む): 129908736

約数和(自身を除く): 61088271

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 21143, 63429, 105715, 148001, 317145, 444003, 655433, 740005, 1966299, 2220015, 3277165, 4588031, 9831495, 13764093, 22940155, 68820465]

約数ペア:

[(1, 68820465), (3, 22940155), (5, 13764093), (7, 9831495), (15, 4588031), (21, 3277165), (31, 2220015), (35, 1966299), (93, 740005), (105, 655433), (155, 444003), (217, 317145), (465, 148001), (651, 105715), (1085, 63429), (3255, 21143)]