81782679

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{787}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 123457536

約数和(自身を除く): 41674857

約数列:

[1, 3, 11, 33, 47, 67, 141, 201, 517, 737, 787, 1551, 2211, 2361, 3149, 8657, 9447, 25971, 34639, 36989, 52729, 103917, 110967, 158187, 406879, 580019, 1220637, 1740057, 2478263, 7434789, 27260893, 81782679]

約数ペア:

[(1, 81782679), (3, 27260893), (11, 7434789), (33, 2478263), (47, 1740057), (67, 1220637), (141, 580019), (201, 406879), (517, 158187), (737, 110967), (787, 103917), (1551, 52729), (2211, 36989), (2361, 34639), (3149, 25971), (8657, 9447)]