1121225

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 1636800

約数和(自身を除く): 515575

約数列:

[1, 5, 7, 25, 35, 43, 149, 175, 215, 301, 745, 1043, 1075, 1505, 3725, 5215, 6407, 7525, 26075, 32035, 44849, 160175, 224245, 1121225]

約数ペア:

[(1, 1121225), (5, 224245), (7, 160175), (25, 44849), (35, 32035), (43, 26075), (149, 7525), (175, 6407), (215, 5215), (301, 3725), (745, 1505), (1043, 1075)]