239703243

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1\times {\mathrm{521}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 353590272

約数和(自身を除く): 113887029

約数列:

[1, 3, 13, 39, 47, 141, 251, 521, 611, 753, 1563, 1833, 3263, 6773, 9789, 11797, 20319, 24487, 35391, 73461, 130771, 153361, 318331, 392313, 460083, 954993, 1700023, 5100069, 6146237, 18438711, 79901081, 239703243]

約数ペア:

[(1, 239703243), (3, 79901081), (13, 18438711), (39, 6146237), (47, 5100069), (141, 1700023), (251, 954993), (521, 460083), (611, 392313), (753, 318331), (1563, 153361), (1833, 130771), (3263, 73461), (6773, 35391), (9789, 24487), (11797, 20319)]