121351993

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2\times {\mathrm{181}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 148890560

約数和(自身を除く): 27538567

約数列:

[1, 7, 19, 71, 133, 181, 497, 1267, 1349, 3439, 5041, 9443, 12851, 24073, 35287, 89957, 95779, 244169, 670453, 912421, 1709183, 6386947, 17335999, 121351993]

約数ペア:

[(1, 121351993), (7, 17335999), (19, 6386947), (71, 1709183), (133, 912421), (181, 670453), (497, 244169), (1267, 95779), (1349, 89957), (3439, 35287), (5041, 24073), (9443, 12851)]