156912399

素因数分解:

$3^2\times 7^1\times {\mathrm{251}}^1\times {\mathrm{9923}}^1$

素因数の和:10187

約数の個数: 24

約数和(自身を含む): 260088192

約数和(自身を除く): 103175793

約数列:

[1, 3, 7, 9, 21, 63, 251, 753, 1757, 2259, 5271, 9923, 15813, 29769, 69461, 89307, 208383, 625149, 2490673, 7472019, 17434711, 22416057, 52304133, 156912399]

約数ペア:

[(1, 156912399), (3, 52304133), (7, 22416057), (9, 17434711), (21, 7472019), (63, 2490673), (251, 625149), (753, 208383), (1757, 89307), (2259, 69461), (5271, 29769), (9923, 15813)]