209743911

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1433}}^1$

素因数の和:1597

約数の個数: 40

約数和(自身を含む): 340087440

約数和(自身を除く): 130343529

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 139, 351, 417, 1053, 1251, 1433, 1807, 3753, 4299, 5421, 11259, 12897, 16263, 18629, 38691, 48789, 55887, 116073, 146367, 167661, 199187, 502983, 597561, 1508949, 1792683, 2589431, 5378049, 7768293, 16134147, 23304879, 69914637, 209743911]

約数ペア:

[(1, 209743911), (3, 69914637), (9, 23304879), (13, 16134147), (27, 7768293), (39, 5378049), (81, 2589431), (117, 1792683), (139, 1508949), (351, 597561), (417, 502983), (1053, 199187), (1251, 167661), (1433, 146367), (1807, 116073), (3753, 55887), (4299, 48789), (5421, 38691), (11259, 18629), (12897, 16263)]