77984559

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 130636800

約数和(自身を除く): 52652241

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 83, 89, 153, 207, 249, 267, 391, 459, 621, 747, 801, 1173, 1411, 1513, 1909, 2047, 2241, 2403, 3519, 4233, 4539, 5727, 6141, 7387, 10557, 12699, 13617, 17181, 18423, 22161, 32453, 34799, 38097, 40851, 51543, 55269, 66483, 97359, 104397, 125579, 169901, 199449, 292077, 313191, 376737, 509703, 876231, 939573, 1130211, 1529109, 2888317, 3390633, 4587327, 8664951, 25994853, 77984559]

約数ペア:

[(1, 77984559), (3, 25994853), (9, 8664951), (17, 4587327), (23, 3390633), (27, 2888317), (51, 1529109), (69, 1130211), (83, 939573), (89, 876231), (153, 509703), (207, 376737), (249, 313191), (267, 292077), (391, 199449), (459, 169901), (621, 125579), (747, 104397), (801, 97359), (1173, 66483), (1411, 55269), (1513, 51543), (1909, 40851), (2047, 38097), (2241, 34799), (2403, 32453), (3519, 22161), (4233, 18423), (4539, 17181), (5727, 13617), (6141, 12699), (7387, 10557)]