31471293

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1667}}^1$

素因数の和:1737

約数の個数: 32

約数和(自身を含む): 51240960

約数和(自身を除く): 19769667

約数列:

[1, 3, 7, 21, 29, 31, 87, 93, 203, 217, 609, 651, 899, 1667, 2697, 5001, 6293, 11669, 18879, 35007, 48343, 51677, 145029, 155031, 338401, 361739, 1015203, 1085217, 1498633, 4495899, 10490431, 31471293]

約数ペア:

[(1, 31471293), (3, 10490431), (7, 4495899), (21, 1498633), (29, 1085217), (31, 1015203), (87, 361739), (93, 338401), (203, 155031), (217, 145029), (609, 51677), (651, 48343), (899, 35007), (1667, 18879), (2697, 11669), (5001, 6293)]