551420139

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 768531456

約数和(自身を除く): 217111317

約数列:

[1, 3, 37, 111, 151, 167, 197, 453, 501, 591, 5587, 6179, 7289, 16761, 18537, 21867, 25217, 29747, 32899, 75651, 89241, 98697, 933029, 1100639, 1217263, 2799087, 3301917, 3651789, 4967749, 14903247, 183806713, 551420139]

約数ペア:

[(1, 551420139), (3, 183806713), (37, 14903247), (111, 4967749), (151, 3651789), (167, 3301917), (197, 2799087), (453, 1217263), (501, 1100639), (591, 933029), (5587, 98697), (6179, 89241), (7289, 75651), (16761, 32899), (18537, 29747), (21867, 25217)]