217874433

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{25121}}^1$

素因数の和:25197

約数の個数: 24

約数和(自身を含む): 343668960

約数和(自身を除く): 125794527

約数列:

[1, 3, 7, 21, 49, 59, 147, 177, 413, 1239, 2891, 8673, 25121, 75363, 175847, 527541, 1230929, 1482139, 3692787, 4446417, 10374973, 31124919, 72624811, 217874433]

約数ペア:

[(1, 217874433), (3, 72624811), (7, 31124919), (21, 10374973), (49, 4446417), (59, 3692787), (147, 1482139), (177, 1230929), (413, 527541), (1239, 175847), (2891, 75363), (8673, 25121)]