42879987

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{619}}^1$

素因数の和:847

約数の個数: 24

約数和(自身を含む): 63835200

約数和(自身を除く): 20955213

約数列:

[1, 3, 9, 43, 129, 179, 387, 537, 619, 1611, 1857, 5571, 7697, 23091, 26617, 69273, 79851, 110801, 239553, 332403, 997209, 4764443, 14293329, 42879987]

約数ペア:

[(1, 42879987), (3, 14293329), (9, 4764443), (43, 997209), (129, 332403), (179, 239553), (387, 110801), (537, 79851), (619, 69273), (1611, 26617), (1857, 23091), (5571, 7697)]