157420989

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:389

約数の個数: 56

約数和(自身を含む): 262215072

約数和(自身を除く): 104794083

約数列:

[1, 3, 9, 11, 27, 33, 67, 81, 99, 201, 243, 293, 297, 603, 729, 737, 879, 891, 1809, 2211, 2637, 2673, 3223, 5427, 6633, 7911, 8019, 9669, 16281, 19631, 19899, 23733, 29007, 48843, 58893, 59697, 71199, 87021, 176679, 179091, 213597, 215941, 261063, 530037, 537273, 647823, 783189, 1590111, 1943469, 2349567, 4770333, 5830407, 14310999, 17491221, 52473663, 157420989]

約数ペア:

[(1, 157420989), (3, 52473663), (9, 17491221), (11, 14310999), (27, 5830407), (33, 4770333), (67, 2349567), (81, 1943469), (99, 1590111), (201, 783189), (243, 647823), (293, 537273), (297, 530037), (603, 261063), (729, 215941), (737, 213597), (879, 179091), (891, 176679), (1809, 87021), (2211, 71199), (2637, 59697), (2673, 58893), (3223, 48843), (5427, 29007), (6633, 23733), (7911, 19899), (8019, 19631), (9669, 16281)]