77977809

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 146361600

約数和(自身を除く): 68383791

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 71, 81, 91, 117, 149, 189, 213, 273, 351, 447, 497, 567, 639, 819, 923, 1043, 1053, 1341, 1491, 1917, 1937, 2457, 2769, 3129, 4023, 4473, 5751, 5811, 6461, 7371, 8307, 9387, 10579, 12069, 13419, 13559, 17433, 19383, 24921, 28161, 31737, 40257, 40677, 52299, 58149, 74053, 74763, 84483, 95211, 122031, 137527, 156897, 174447, 222159, 285633, 366093, 412581, 523341, 666477, 856899, 962689, 1098279, 1237743, 1999431, 2888067, 3713229, 5998293, 8664201, 11139687, 25992603, 77977809]

約数ペア:

[(1, 77977809), (3, 25992603), (7, 11139687), (9, 8664201), (13, 5998293), (21, 3713229), (27, 2888067), (39, 1999431), (63, 1237743), (71, 1098279), (81, 962689), (91, 856899), (117, 666477), (149, 523341), (189, 412581), (213, 366093), (273, 285633), (351, 222159), (447, 174447), (497, 156897), (567, 137527), (639, 122031), (819, 95211), (923, 84483), (1043, 74763), (1053, 74053), (1341, 58149), (1491, 52299), (1917, 40677), (1937, 40257), (2457, 31737), (2769, 28161), (3129, 24921), (4023, 19383), (4473, 17433), (5751, 13559), (5811, 13419), (6461, 12069), (7371, 10579), (8307, 9387)]