157218057

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{743}}^1$

素因数の和:1230

約数の個数: 32

約数和(自身を含む): 247484160

約数和(自身を除く): 90266103

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 461, 743, 1383, 2229, 4149, 6687, 7837, 12447, 12631, 20061, 23511, 37893, 70533, 113679, 211599, 341037, 342523, 1027569, 3082707, 5822891, 9248121, 17468673, 52406019, 157218057]

約数ペア:

[(1, 157218057), (3, 52406019), (9, 17468673), (17, 9248121), (27, 5822891), (51, 3082707), (153, 1027569), (459, 342523), (461, 341037), (743, 211599), (1383, 113679), (2229, 70533), (4149, 37893), (6687, 23511), (7837, 20061), (12447, 12631)]