168681747

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1087}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 254435328

約数和(自身を除く): 85753581

約数列:

[1, 3, 13, 23, 39, 69, 173, 299, 519, 897, 1087, 2249, 3261, 3979, 6747, 11937, 14131, 25001, 42393, 51727, 75003, 155181, 188051, 325013, 564153, 975039, 2444663, 4325173, 7333989, 12975519, 56227249, 168681747]

約数ペア:

[(1, 168681747), (3, 56227249), (13, 12975519), (23, 7333989), (39, 4325173), (69, 2444663), (173, 975039), (299, 564153), (519, 325013), (897, 188051), (1087, 155181), (2249, 75003), (3261, 51727), (3979, 42393), (6747, 25001), (11937, 14131)]