216227775

素因数分解:

$3^1\times 5^2\times {\mathrm{307}}^1\times {\mathrm{9391}}^1$

素因数の和:9711

約数の個数: 24

約数和(自身を含む): 358699264

約数和(自身を除く): 142471489

約数列:

[1, 3, 5, 15, 25, 75, 307, 921, 1535, 4605, 7675, 9391, 23025, 28173, 46955, 140865, 234775, 704325, 2883037, 8649111, 14415185, 43245555, 72075925, 216227775]

約数ペア:

[(1, 216227775), (3, 72075925), (5, 43245555), (15, 14415185), (25, 8649111), (75, 2883037), (307, 704325), (921, 234775), (1535, 140865), (4605, 46955), (7675, 28173), (9391, 23025)]