1993257

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1091}}^1$

素因数の和:1133

約数の個数: 24

約数和(自身を含む): 3407040

約数和(自身を除く): 1413783

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1091, 1827, 3273, 7637, 9819, 22911, 31639, 68733, 94917, 221473, 284751, 664419, 1993257]

約数ペア:

[(1, 1993257), (3, 664419), (7, 284751), (9, 221473), (21, 94917), (29, 68733), (63, 31639), (87, 22911), (203, 9819), (261, 7637), (609, 3273), (1091, 1827)]