1381975

素因数分解:

$5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:219

約数の個数: 24

約数和(自身を含む): 2008800

約数和(自身を除く): 626825

約数列:

[1, 5, 7, 25, 35, 53, 149, 175, 265, 371, 745, 1043, 1325, 1855, 3725, 5215, 7897, 9275, 26075, 39485, 55279, 197425, 276395, 1381975]

約数ペア:

[(1, 1381975), (5, 276395), (7, 197425), (25, 55279), (35, 39485), (53, 26075), (149, 9275), (175, 7897), (265, 5215), (371, 3725), (745, 1855), (1043, 1325)]