1808146221

素因数分解:

$3^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{373}}^1\times {\mathrm{643}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 2774661120

約数和(自身を除く): 966514899

約数列:

[1, 3, 7, 21, 359, 373, 643, 1077, 1119, 1929, 2513, 2611, 4501, 7539, 7833, 13503, 133907, 230837, 239839, 401721, 692511, 719517, 937349, 1615859, 1678873, 2812047, 4847577, 5036619, 86102201, 258306603, 602715407, 1808146221]

約数ペア:

[(1, 1808146221), (3, 602715407), (7, 258306603), (21, 86102201), (359, 5036619), (373, 4847577), (643, 2812047), (1077, 1678873), (1119, 1615859), (1929, 937349), (2513, 719517), (2611, 692511), (4501, 401721), (7539, 239839), (7833, 230837), (13503, 133907)]