487998039

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{1249}}^1$

素因数の和:1479

約数の個数: 32

約数和(自身を含む): 708480000

約数和(自身を除く): 220481961

約数列:

[1, 3, 17, 47, 51, 141, 163, 489, 799, 1249, 2397, 2771, 3747, 7661, 8313, 21233, 22983, 58703, 63699, 130237, 176109, 203587, 390711, 610761, 997951, 2993853, 3460979, 9568589, 10382937, 28705767, 162666013, 487998039]

約数ペア:

[(1, 487998039), (3, 162666013), (17, 28705767), (47, 10382937), (51, 9568589), (141, 3460979), (163, 2993853), (489, 997951), (799, 610761), (1249, 390711), (2397, 203587), (2771, 176109), (3747, 130237), (7661, 63699), (8313, 58703), (21233, 22983)]