31193865

素因数分解:

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

素因数の和:30173

約数の個数: 24

約数和(自身を含む): 56422080

約数和(自身を除く): 25228215

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 30139, 90417, 150695, 271251, 452085, 693197, 1356255, 2079591, 3465985, 6238773, 10397955, 31193865]

約数ペア:

[(1, 31193865), (3, 10397955), (5, 6238773), (9, 3465985), (15, 2079591), (23, 1356255), (45, 693197), (69, 452085), (115, 271251), (207, 150695), (345, 90417), (1035, 30139)]