27767565

素因数分解:

$3^2\times 5^1\times 7^4\times {\mathrm{257}}^1$

素因数の和:296

約数の個数: 60

約数和(自身を含む): 56367324

約数和(自身を除く): 28599759

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 257, 315, 343, 441, 735, 771, 1029, 1285, 1715, 1799, 2205, 2313, 2401, 3087, 3855, 5145, 5397, 7203, 8995, 11565, 12005, 12593, 15435, 16191, 21609, 26985, 36015, 37779, 62965, 80955, 88151, 108045, 113337, 188895, 264453, 440755, 566685, 617057, 793359, 1322265, 1851171, 3085285, 3966795, 5553513, 9255855, 27767565]

約数ペア:

[(1, 27767565), (3, 9255855), (5, 5553513), (7, 3966795), (9, 3085285), (15, 1851171), (21, 1322265), (35, 793359), (45, 617057), (49, 566685), (63, 440755), (105, 264453), (147, 188895), (245, 113337), (257, 108045), (315, 88151), (343, 80955), (441, 62965), (735, 37779), (771, 36015), (1029, 26985), (1285, 21609), (1715, 16191), (1799, 15435), (2205, 12593), (2313, 12005), (2401, 11565), (3087, 8995), (3855, 7203), (5145, 5397)]