254519145

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1103

約数の個数: 64

約数和(自身を含む): 475207680

約数和(自身を除く): 220688535

約数列:

[1, 3, 5, 9, 15, 27, 31, 45, 61, 93, 135, 155, 183, 279, 305, 465, 549, 837, 915, 997, 1395, 1647, 1891, 2745, 2991, 4185, 4985, 5673, 8235, 8973, 9455, 14955, 17019, 26919, 28365, 30907, 44865, 51057, 60817, 85095, 92721, 134595, 154535, 182451, 255285, 278163, 304085, 463605, 547353, 834489, 912255, 1390815, 1642059, 1885327, 2736765, 4172445, 5655981, 8210295, 9426635, 16967943, 28279905, 50903829, 84839715, 254519145]

約数ペア:

[(1, 254519145), (3, 84839715), (5, 50903829), (9, 28279905), (15, 16967943), (27, 9426635), (31, 8210295), (45, 5655981), (61, 4172445), (93, 2736765), (135, 1885327), (155, 1642059), (183, 1390815), (279, 912255), (305, 834489), (465, 547353), (549, 463605), (837, 304085), (915, 278163), (997, 255285), (1395, 182451), (1647, 154535), (1891, 134595), (2745, 92721), (2991, 85095), (4185, 60817), (4985, 51057), (5673, 44865), (8235, 30907), (8973, 28365), (9455, 26919), (14955, 17019)]