180805779

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1877}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 328124160

約数和(自身を除く): 147318381

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 139, 231, 417, 693, 973, 1251, 1529, 1877, 2919, 4587, 5631, 8757, 10703, 13139, 13761, 16893, 20647, 32109, 39417, 61941, 96327, 118251, 144529, 185823, 260903, 433587, 782709, 1300761, 1826321, 2348127, 2869933, 5478963, 8609799, 16436889, 20089531, 25829397, 60268593, 180805779]

約数ペア:

[(1, 180805779), (3, 60268593), (7, 25829397), (9, 20089531), (11, 16436889), (21, 8609799), (33, 5478963), (63, 2869933), (77, 2348127), (99, 1826321), (139, 1300761), (231, 782709), (417, 433587), (693, 260903), (973, 185823), (1251, 144529), (1529, 118251), (1877, 96327), (2919, 61941), (4587, 39417), (5631, 32109), (8757, 20647), (10703, 16893), (13139, 13761)]