197730897

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{4861}}^1$

素因数の和:5033

約数の個数: 32

約数和(自身を含む): 326726400

約数和(自身を除く): 128995503

約数列:

[1, 3, 7, 13, 21, 39, 91, 149, 273, 447, 1043, 1937, 3129, 4861, 5811, 13559, 14583, 34027, 40677, 63193, 102081, 189579, 442351, 724289, 1327053, 2172867, 5070023, 9415757, 15210069, 28247271, 65910299, 197730897]

約数ペア:

[(1, 197730897), (3, 65910299), (7, 28247271), (13, 15210069), (21, 9415757), (39, 5070023), (91, 2172867), (149, 1327053), (273, 724289), (447, 442351), (1043, 189579), (1937, 102081), (3129, 63193), (4861, 40677), (5811, 34027), (13559, 14583)]