27519957

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 44478720

約数和(自身を除く): 16958763

約数列:

[1, 3, 9, 17, 43, 47, 51, 89, 129, 141, 153, 267, 387, 423, 731, 799, 801, 1513, 2021, 2193, 2397, 3827, 4183, 4539, 6063, 6579, 7191, 11481, 12549, 13617, 18189, 34357, 34443, 37647, 65059, 71111, 103071, 179869, 195177, 213333, 309213, 539607, 585531, 639999, 1618821, 3057773, 9173319, 27519957]

約数ペア:

[(1, 27519957), (3, 9173319), (9, 3057773), (17, 1618821), (43, 639999), (47, 585531), (51, 539607), (89, 309213), (129, 213333), (141, 195177), (153, 179869), (267, 103071), (387, 71111), (423, 65059), (731, 37647), (799, 34443), (801, 34357), (1513, 18189), (2021, 13617), (2193, 12549), (2397, 11481), (3827, 7191), (4183, 6579), (4539, 6063)]