208542957

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1\times {\mathrm{619}}^1$

素因数の和:953

約数の個数: 32

約数和(自身を含む): 324741120

約数和(自身を除く): 116198163

約数列:

[1, 3, 7, 21, 61, 183, 263, 427, 619, 789, 1281, 1841, 1857, 4333, 5523, 12999, 16043, 37759, 48129, 112301, 113277, 162797, 264313, 336903, 488391, 792939, 1139579, 3418737, 9930617, 29791851, 69514319, 208542957]

約数ペア:

[(1, 208542957), (3, 69514319), (7, 29791851), (21, 9930617), (61, 3418737), (183, 1139579), (263, 792939), (427, 488391), (619, 336903), (789, 264313), (1281, 162797), (1841, 113277), (1857, 112301), (4333, 48129), (5523, 37759), (12999, 16043)]