168443721

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 267155200

約数和(自身を除く): 98711479

約数列:

[1, 3, 9, 19, 37, 57, 79, 111, 171, 237, 333, 337, 703, 711, 1011, 1501, 2109, 2923, 3033, 4503, 6327, 6403, 8769, 12469, 13509, 19209, 26307, 26623, 37407, 55537, 57627, 79869, 112221, 166611, 236911, 239607, 499833, 505837, 710733, 985051, 1517511, 2132199, 2955153, 4552533, 8865459, 18715969, 56147907, 168443721]

約数ペア:

[(1, 168443721), (3, 56147907), (9, 18715969), (19, 8865459), (37, 4552533), (57, 2955153), (79, 2132199), (111, 1517511), (171, 985051), (237, 710733), (333, 505837), (337, 499833), (703, 239607), (711, 236911), (1011, 166611), (1501, 112221), (2109, 79869), (2923, 57627), (3033, 55537), (4503, 37407), (6327, 26623), (6403, 26307), (8769, 19209), (12469, 13509)]