51989775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{30139}}^1$

素因数の和:30175

約数の個数: 24

約数和(自身を含む): 89696640

約数和(自身を除く): 37706865

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 30139, 90417, 150695, 452085, 693197, 753475, 2079591, 2260425, 3465985, 10397955, 17329925, 51989775]

約数ペア:

[(1, 51989775), (3, 17329925), (5, 10397955), (15, 3465985), (23, 2260425), (25, 2079591), (69, 753475), (75, 693197), (115, 452085), (345, 150695), (575, 90417), (1725, 30139)]