210801555

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67891}}^1$

素因数の和:67928

約数の個数: 32

約数和(自身を含む): 391057920

約数和(自身を除く): 180256365

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 67891, 203673, 339455, 611019, 1018365, 1561493, 1833057, 3055095, 4684479, 7807465, 9165285, 14053437, 23422395, 42160311, 70267185, 210801555]

約数ペア:

[(1, 210801555), (3, 70267185), (5, 42160311), (9, 23422395), (15, 14053437), (23, 9165285), (27, 7807465), (45, 4684479), (69, 3055095), (115, 1833057), (135, 1561493), (207, 1018365), (345, 611019), (621, 339455), (1035, 203673), (3105, 67891)]