211263429

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1\times {\mathrm{479}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 312238080

約数和(自身を除く): 100974651

約数列:

[1, 3, 13, 39, 43, 129, 263, 479, 559, 789, 1437, 1677, 3419, 6227, 10257, 11309, 18681, 20597, 33927, 61791, 125977, 147017, 267761, 377931, 441051, 803283, 1637701, 4913103, 5417011, 16251033, 70421143, 211263429]

約数ペア:

[(1, 211263429), (3, 70421143), (13, 16251033), (39, 5417011), (43, 4913103), (129, 1637701), (263, 803283), (479, 441051), (559, 377931), (789, 267761), (1437, 147017), (1677, 125977), (3419, 61791), (6227, 33927), (10257, 20597), (11309, 18681)]