27949285

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 44997120

約数和(自身を除く): 17047835

約数列:

[1, 5, 7, 13, 19, 35, 53, 61, 65, 91, 95, 133, 247, 265, 305, 371, 427, 455, 665, 689, 793, 1007, 1159, 1235, 1729, 1855, 2135, 3233, 3445, 3965, 4823, 5035, 5551, 5795, 7049, 8113, 8645, 13091, 15067, 16165, 22631, 24115, 27755, 35245, 40565, 42029, 61427, 65455, 75335, 91637, 105469, 113155, 210145, 294203, 307135, 429989, 458185, 527345, 798551, 1471015, 2149945, 3992755, 5589857, 27949285]

約数ペア:

[(1, 27949285), (5, 5589857), (7, 3992755), (13, 2149945), (19, 1471015), (35, 798551), (53, 527345), (61, 458185), (65, 429989), (91, 307135), (95, 294203), (133, 210145), (247, 113155), (265, 105469), (305, 91637), (371, 75335), (427, 65455), (455, 61427), (665, 42029), (689, 40565), (793, 35245), (1007, 27755), (1159, 24115), (1235, 22631), (1729, 16165), (1855, 15067), (2135, 13091), (3233, 8645), (3445, 8113), (3965, 7049), (4823, 5795), (5035, 5551)]