69721821

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{409}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 114616320

約数和(自身を除く): 44894499

約数列:

[1, 3, 9, 13, 31, 39, 47, 93, 117, 141, 279, 403, 409, 423, 611, 1209, 1227, 1457, 1833, 3627, 3681, 4371, 5317, 5499, 12679, 13113, 15951, 18941, 19223, 38037, 47853, 56823, 57669, 114111, 164827, 170469, 173007, 249899, 494481, 595913, 749697, 1483443, 1787739, 2249091, 5363217, 7746869, 23240607, 69721821]

約数ペア:

[(1, 69721821), (3, 23240607), (9, 7746869), (13, 5363217), (31, 2249091), (39, 1787739), (47, 1483443), (93, 749697), (117, 595913), (141, 494481), (279, 249899), (403, 173007), (409, 170469), (423, 164827), (611, 114111), (1209, 57669), (1227, 56823), (1457, 47853), (1833, 38037), (3627, 19223), (3681, 18941), (4371, 15951), (5317, 13113), (5499, 12679)]