8215641

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2557}}^1$

素因数の和:2590

約数の個数: 32

約数和(自身を含む): 14734080

約数和(自身を除く): 6518439

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 2557, 3213, 7671, 17899, 23013, 43469, 53697, 69039, 130407, 161091, 304283, 391221, 483273, 912849, 1173663, 2738547, 8215641]

約数ペア:

[(1, 8215641), (3, 2738547), (7, 1173663), (9, 912849), (17, 483273), (21, 391221), (27, 304283), (51, 161091), (63, 130407), (119, 69039), (153, 53697), (189, 43469), (357, 23013), (459, 17899), (1071, 7671), (2557, 3213)]