208835523

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{12659}}^1$

素因数の和:12728

約数の個数: 32

約数和(自身を含む): 340300800

約数和(自身を除く): 131465277

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 423, 611, 1269, 1833, 5499, 12659, 16497, 37977, 113931, 164567, 341793, 493701, 594973, 1481103, 1784919, 4443309, 5354757, 7734649, 16064271, 23203947, 69611841, 208835523]

約数ペア:

[(1, 208835523), (3, 69611841), (9, 23203947), (13, 16064271), (27, 7734649), (39, 5354757), (47, 4443309), (117, 1784919), (141, 1481103), (351, 594973), (423, 493701), (611, 341793), (1269, 164567), (1833, 113931), (5499, 37977), (12659, 16497)]