42191709

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 66011136

約数和(自身を除く): 23819427

約数列:

[1, 3, 7, 21, 67, 157, 191, 201, 469, 471, 573, 1099, 1337, 1407, 3297, 4011, 10519, 12797, 29987, 31557, 38391, 73633, 89579, 89961, 209909, 220899, 268737, 629727, 2009129, 6027387, 14063903, 42191709]

約数ペア:

[(1, 42191709), (3, 14063903), (7, 6027387), (21, 2009129), (67, 629727), (157, 268737), (191, 220899), (201, 209909), (469, 89961), (471, 89579), (573, 73633), (1099, 38391), (1337, 31557), (1407, 29987), (3297, 12797), (4011, 10519)]