158340721

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{2633}}^1$

素因数の和:2733

約数の個数: 24

約数和(自身を含む): 201785472

約数和(自身を除く): 43444751

約数列:

[1, 7, 11, 71, 77, 121, 497, 781, 847, 2633, 5467, 8591, 18431, 28963, 60137, 186943, 202741, 318593, 1308601, 2056373, 2230151, 14394611, 22620103, 158340721]

約数ペア:

[(1, 158340721), (7, 22620103), (11, 14394611), (71, 2230151), (77, 2056373), (121, 1308601), (497, 318593), (781, 202741), (847, 186943), (2633, 60137), (5467, 28963), (8591, 18431)]