289322241

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{521}}^1$

素因数の和:1057

約数の個数: 32

約数和(自身を含む): 431464320

約数和(自身を除く): 142142079

約数列:

[1, 3, 13, 29, 39, 87, 377, 491, 521, 1131, 1473, 1563, 6383, 6773, 14239, 15109, 19149, 20319, 42717, 45327, 185107, 196417, 255811, 555321, 589251, 767433, 3325543, 7418519, 9976629, 22255557, 96440747, 289322241]

約数ペア:

[(1, 289322241), (3, 96440747), (13, 22255557), (29, 9976629), (39, 7418519), (87, 3325543), (377, 767433), (491, 589251), (521, 555321), (1131, 255811), (1473, 196417), (1563, 185107), (6383, 45327), (6773, 42717), (14239, 20319), (15109, 19149)]