81213345

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78467}}^1$

素因数の和:78501

約数の個数: 24

約数和(自身を含む): 146892096

約数和(自身を除く): 65678751

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 78467, 235401, 392335, 706203, 1177005, 1804741, 3531015, 5414223, 9023705, 16242669, 27071115, 81213345]

約数ペア:

[(1, 81213345), (3, 27071115), (5, 16242669), (9, 9023705), (15, 5414223), (23, 3531015), (45, 1804741), (69, 1177005), (115, 706203), (207, 392335), (345, 235401), (1035, 78467)]