227777985

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15671}}^1$

素因数の和:15718

約数の個数: 48

約数和(自身を含む): 440069760

約数和(自身を除く): 212291775

約数列:

[1, 3, 5, 9, 15, 17, 19, 45, 51, 57, 85, 95, 153, 171, 255, 285, 323, 765, 855, 969, 1615, 2907, 4845, 14535, 15671, 47013, 78355, 141039, 235065, 266407, 297749, 705195, 799221, 893247, 1332035, 1488745, 2397663, 2679741, 3996105, 4466235, 5061733, 11988315, 13398705, 15185199, 25308665, 45555597, 75925995, 227777985]

約数ペア:

[(1, 227777985), (3, 75925995), (5, 45555597), (9, 25308665), (15, 15185199), (17, 13398705), (19, 11988315), (45, 5061733), (51, 4466235), (57, 3996105), (85, 2679741), (95, 2397663), (153, 1488745), (171, 1332035), (255, 893247), (285, 799221), (323, 705195), (765, 297749), (855, 266407), (969, 235065), (1615, 141039), (2907, 78355), (4845, 47013), (14535, 15671)]