201725757

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{77557}}^1$

素因数の和:77597

約数の個数: 18

約数和(自身を含む): 309533978

約数和(自身を除く): 107808221

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 77557, 232671, 698013, 1318469, 3955407, 11866221, 22413973, 67241919, 201725757]

約数ペア:

[(1, 201725757), (3, 67241919), (9, 22413973), (17, 11866221), (51, 3955407), (153, 1318469), (289, 698013), (867, 232671), (2601, 77557)]