400465149

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{1399}}^1$

素因数の和:1769

約数の個数: 32

約数和(自身を含む): 626841600

約数和(自身を除く): 226376451

約数列:

[1, 3, 7, 21, 43, 129, 301, 317, 903, 951, 1399, 2219, 4197, 6657, 9793, 13631, 29379, 40893, 60157, 95417, 180471, 286251, 421099, 443483, 1263297, 1330449, 3104381, 9313143, 19069769, 57209307, 133488383, 400465149]

約数ペア:

[(1, 400465149), (3, 133488383), (7, 57209307), (21, 19069769), (43, 9313143), (129, 3104381), (301, 1330449), (317, 1263297), (903, 443483), (951, 421099), (1399, 286251), (2219, 180471), (4197, 95417), (6657, 60157), (9793, 40893), (13631, 29379)]