1001903

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:171

約数の個数: 16

約数和(自身を含む): 1228800

約数和(自身を除く): 226897

約数列:

[1, 7, 23, 49, 127, 161, 343, 889, 1127, 2921, 6223, 7889, 20447, 43561, 143129, 1001903]

約数ペア:

[(1, 1001903), (7, 143129), (23, 43561), (49, 20447), (127, 7889), (161, 6223), (343, 2921), (889, 1127)]