215183451

素因数分解:

$3^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{7211}}^1$

素因数の和:7264

約数の個数: 32

約数和(自身を含む): 346176000

約数和(自身を除く): 130992549

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 343, 609, 1029, 1421, 4263, 7211, 9947, 21633, 29841, 50477, 151431, 209119, 353339, 627357, 1060017, 1463833, 2473373, 4391499, 7420119, 10246831, 30740493, 71727817, 215183451]

約数ペア:

[(1, 215183451), (3, 71727817), (7, 30740493), (21, 10246831), (29, 7420119), (49, 4391499), (87, 2473373), (147, 1463833), (203, 1060017), (343, 627357), (609, 353339), (1029, 209119), (1421, 151431), (4263, 50477), (7211, 29841), (9947, 21633)]