27998865

素因数分解:

$3^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{269}}^1$

素因数の和:543

約数の個数: 40

約数和(自身を含む): 50573160

約数和(自身を除く): 22574295

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 257, 269, 405, 771, 807, 1285, 1345, 2313, 2421, 3855, 4035, 6939, 7263, 11565, 12105, 20817, 21789, 34695, 36315, 69133, 104085, 108945, 207399, 345665, 622197, 1036995, 1866591, 3110985, 5599773, 9332955, 27998865]

約数ペア:

[(1, 27998865), (3, 9332955), (5, 5599773), (9, 3110985), (15, 1866591), (27, 1036995), (45, 622197), (81, 345665), (135, 207399), (257, 108945), (269, 104085), (405, 69133), (771, 36315), (807, 34695), (1285, 21789), (1345, 20817), (2313, 12105), (2421, 11565), (3855, 7263), (4035, 6939)]