197409891

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4271}}^1$

素因数の和:4383

約数の個数: 32

約数和(自身を含む): 314966016

約数和(自身を除く): 117556125

約数列:

[1, 3, 7, 21, 31, 71, 93, 213, 217, 497, 651, 1491, 2201, 4271, 6603, 12813, 15407, 29897, 46221, 89691, 132401, 303241, 397203, 909723, 926807, 2122687, 2780421, 6368061, 9400471, 28201413, 65803297, 197409891]

約数ペア:

[(1, 197409891), (3, 65803297), (7, 28201413), (21, 9400471), (31, 6368061), (71, 2780421), (93, 2122687), (213, 926807), (217, 909723), (497, 397203), (651, 303241), (1491, 132401), (2201, 89691), (4271, 46221), (6603, 29897), (12813, 15407)]