168173847

素因数分解:

$3^3\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 253937600

約数和(自身を除く): 85763753

約数列:

[1, 3, 9, 27, 97, 157, 291, 409, 471, 873, 1227, 1413, 2619, 3681, 4239, 11043, 15229, 39673, 45687, 64213, 119019, 137061, 192639, 357057, 411183, 577917, 1071171, 1733751, 6228661, 18685983, 56057949, 168173847]

約数ペア:

[(1, 168173847), (3, 56057949), (9, 18685983), (27, 6228661), (97, 1733751), (157, 1071171), (291, 577917), (409, 411183), (471, 357057), (873, 192639), (1227, 137061), (1413, 119019), (2619, 64213), (3681, 45687), (4239, 39673), (11043, 15229)]