71511237

素因数分解:

$3^2\times 7^2\times {\mathrm{167}}^1\times {\mathrm{971}}^1$

素因数の和:1158

約数の個数: 36

約数和(自身を含む): 121002336

約数和(自身を除く): 49491099

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 167, 441, 501, 971, 1169, 1503, 2913, 3507, 6797, 8183, 8739, 10521, 20391, 24549, 47579, 61173, 73647, 142737, 162157, 428211, 486471, 1135099, 1459413, 3405297, 7945693, 10215891, 23837079, 71511237]

約数ペア:

[(1, 71511237), (3, 23837079), (7, 10215891), (9, 7945693), (21, 3405297), (49, 1459413), (63, 1135099), (147, 486471), (167, 428211), (441, 162157), (501, 142737), (971, 73647), (1169, 61173), (1503, 47579), (2913, 24549), (3507, 20391), (6797, 10521), (8183, 8739)]