421724919

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{260807}}^1$

素因数の和:260835

約数の個数: 24

約数和(自身を含む): 713570688

約数和(自身を除く): 291845769

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 260807, 782421, 1825649, 2868877, 5476947, 8606631, 12779543, 20082139, 38338629, 60246417, 140574973, 421724919]

約数ペア:

[(1, 421724919), (3, 140574973), (7, 60246417), (11, 38338629), (21, 20082139), (33, 12779543), (49, 8606631), (77, 5476947), (147, 2868877), (231, 1825649), (539, 782421), (1617, 260807)]