201811953

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{2053}}^1$

素因数の和:2245

約数の個数: 32

約数和(自身を含む): 319700992

約数和(自身を除く): 117889039

約数列:

[1, 3, 7, 21, 31, 93, 151, 217, 453, 651, 1057, 2053, 3171, 4681, 6159, 14043, 14371, 32767, 43113, 63643, 98301, 190929, 310003, 445501, 930009, 1336503, 2170021, 6510063, 9610093, 28830279, 67270651, 201811953]

約数ペア:

[(1, 201811953), (3, 67270651), (7, 28830279), (21, 9610093), (31, 6510063), (93, 2170021), (151, 1336503), (217, 930009), (453, 445501), (651, 310003), (1057, 190929), (2053, 98301), (3171, 63643), (4681, 43113), (6159, 32767), (14043, 14371)]