20173938813

素因数分解:

$3^4\times 7^2\times {\mathrm{569}}^1\times {\mathrm{8933}}^1$

素因数の和:9528

約数の個数: 60

約数和(自身を含む): 35122144860

約数和(自身を除く): 14948206047

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 569, 1323, 1707, 3969, 3983, 5121, 8933, 11949, 15363, 26799, 27881, 35847, 46089, 62531, 80397, 83643, 107541, 187593, 241191, 250929, 322623, 437717, 562779, 723573, 752787, 1313151, 1688337, 2258361, 3939453, 5065011, 5082877, 11818359, 15248631, 35455077, 35580139, 45745893, 106740417, 137237679, 249060973, 320221251, 411713037, 747182919, 960663753, 2241548757, 2881991259, 6724646271, 20173938813]

約数ペア:

[(1, 20173938813), (3, 6724646271), (7, 2881991259), (9, 2241548757), (21, 960663753), (27, 747182919), (49, 411713037), (63, 320221251), (81, 249060973), (147, 137237679), (189, 106740417), (441, 45745893), (567, 35580139), (569, 35455077), (1323, 15248631), (1707, 11818359), (3969, 5082877), (3983, 5065011), (5121, 3939453), (8933, 2258361), (11949, 1688337), (15363, 1313151), (26799, 752787), (27881, 723573), (35847, 562779), (46089, 437717), (62531, 322623), (80397, 250929), (83643, 241191), (107541, 187593)]