197561001

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{967}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 296626176

約数和(自身を除く): 99065175

約数列:

[1, 3, 11, 33, 41, 123, 151, 451, 453, 967, 1353, 1661, 2901, 4983, 6191, 10637, 18573, 31911, 39647, 68101, 118941, 146017, 204303, 436117, 438051, 1308351, 1606187, 4818561, 5986697, 17960091, 65853667, 197561001]

約数ペア:

[(1, 197561001), (3, 65853667), (11, 17960091), (33, 5986697), (41, 4818561), (123, 1606187), (151, 1308351), (451, 438051), (453, 436117), (967, 204303), (1353, 146017), (1661, 118941), (2901, 68101), (4983, 39647), (6191, 31911), (10637, 18573)]