61199217

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{971}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 90979200

約数和(自身を除く): 29779983

約数列:

[1, 3, 9, 47, 141, 149, 423, 447, 971, 1341, 2913, 7003, 8739, 21009, 45637, 63027, 136911, 144679, 410733, 434037, 1302111, 6799913, 20399739, 61199217]

約数ペア:

[(1, 61199217), (3, 20399739), (9, 6799913), (47, 1302111), (141, 434037), (149, 410733), (423, 144679), (447, 136911), (971, 63027), (1341, 45637), (2913, 21009), (7003, 8739)]