248032911

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{3109}}^1$

素因数の和:3279

約数の個数: 32

約数和(自身を含む): 394099200

約数和(自身を除く): 146066289

約数列:

[1, 3, 7, 21, 29, 87, 131, 203, 393, 609, 917, 2751, 3109, 3799, 9327, 11397, 21763, 26593, 65289, 79779, 90161, 270483, 407279, 631127, 1221837, 1893381, 2850953, 8552859, 11811091, 35433273, 82677637, 248032911]

約数ペア:

[(1, 248032911), (3, 82677637), (7, 35433273), (21, 11811091), (29, 8552859), (87, 2850953), (131, 1893381), (203, 1221837), (393, 631127), (609, 407279), (917, 270483), (2751, 90161), (3109, 79779), (3799, 65289), (9327, 26593), (11397, 21763)]