311042685

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 542638080

約数和(自身を除く): 231595395

約数列:

[1, 3, 5, 15, 23, 31, 69, 93, 115, 127, 155, 229, 345, 381, 465, 635, 687, 713, 1145, 1905, 2139, 2921, 3435, 3565, 3937, 5267, 7099, 8763, 10695, 11811, 14605, 15801, 19685, 21297, 26335, 29083, 35495, 43815, 59055, 79005, 87249, 90551, 106485, 145415, 163277, 271653, 436245, 452755, 489831, 668909, 816385, 901573, 1358265, 2006727, 2449155, 2704719, 3344545, 4507865, 10033635, 13523595, 20736179, 62208537, 103680895, 311042685]

約数ペア:

[(1, 311042685), (3, 103680895), (5, 62208537), (15, 20736179), (23, 13523595), (31, 10033635), (69, 4507865), (93, 3344545), (115, 2704719), (127, 2449155), (155, 2006727), (229, 1358265), (345, 901573), (381, 816385), (465, 668909), (635, 489831), (687, 452755), (713, 436245), (1145, 271653), (1905, 163277), (2139, 145415), (2921, 106485), (3435, 90551), (3565, 87249), (3937, 79005), (5267, 59055), (7099, 43815), (8763, 35495), (10695, 29083), (11811, 26335), (14605, 21297), (15801, 19685)]