161878347

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 260582400

約数和(自身を除く): 98704053

約数列:

[1, 3, 9, 19, 23, 57, 69, 79, 171, 207, 237, 437, 521, 711, 1311, 1501, 1563, 1817, 3933, 4503, 4689, 5451, 9899, 11983, 13509, 16353, 29697, 34523, 35949, 41159, 89091, 103569, 107847, 123477, 227677, 310707, 370431, 683031, 782021, 946657, 2049093, 2346063, 2839971, 7038189, 8519913, 17986483, 53959449, 161878347]

約数ペア:

[(1, 161878347), (3, 53959449), (9, 17986483), (19, 8519913), (23, 7038189), (57, 2839971), (69, 2346063), (79, 2049093), (171, 946657), (207, 782021), (237, 683031), (437, 370431), (521, 310707), (711, 227677), (1311, 123477), (1501, 107847), (1563, 103569), (1817, 89091), (3933, 41159), (4503, 35949), (4689, 34523), (5451, 29697), (9899, 16353), (11983, 13509)]