154213647

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1721}}^1$

素因数の和:1999

約数の個数: 32

約数和(自身を含む): 249951744

約数和(自身を除く): 95738097

約数列:

[1, 3, 7, 17, 21, 51, 119, 251, 357, 753, 1721, 1757, 4267, 5163, 5271, 12047, 12801, 29257, 29869, 36141, 87771, 89607, 204799, 431971, 614397, 1295913, 3023797, 7343507, 9071391, 22030521, 51404549, 154213647]

約数ペア:

[(1, 154213647), (3, 51404549), (7, 22030521), (17, 9071391), (21, 7343507), (51, 3023797), (119, 1295913), (251, 614397), (357, 431971), (753, 204799), (1721, 89607), (1757, 87771), (4267, 36141), (5163, 29869), (5271, 29257), (12047, 12801)]