72656955

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{397}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 148638672

約数和(自身を除く): 75981717

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 83, 105, 147, 245, 249, 315, 397, 415, 441, 581, 735, 747, 1191, 1245, 1743, 1985, 2205, 2779, 2905, 3573, 3735, 4067, 5229, 5955, 8337, 8715, 12201, 13895, 17865, 19453, 20335, 25011, 26145, 32951, 36603, 41685, 58359, 61005, 97265, 98853, 125055, 164755, 175077, 183015, 230657, 291795, 296559, 494265, 691971, 875385, 1153285, 1482795, 1614599, 2075913, 3459855, 4843797, 8072995, 10379565, 14531391, 24218985, 72656955]

約数ペア:

[(1, 72656955), (3, 24218985), (5, 14531391), (7, 10379565), (9, 8072995), (15, 4843797), (21, 3459855), (35, 2075913), (45, 1614599), (49, 1482795), (63, 1153285), (83, 875385), (105, 691971), (147, 494265), (245, 296559), (249, 291795), (315, 230657), (397, 183015), (415, 175077), (441, 164755), (581, 125055), (735, 98853), (747, 97265), (1191, 61005), (1245, 58359), (1743, 41685), (1985, 36603), (2205, 32951), (2779, 26145), (2905, 25011), (3573, 20335), (3735, 19453), (4067, 17865), (5229, 13895), (5955, 12201), (8337, 8715)]