393103695

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{27791}}^1$

素因数の和:27863

約数の個数: 32

約数和(自身を含む): 672344064

約数和(自身を除く): 279240369

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 345, 615, 943, 2829, 4715, 14145, 27791, 83373, 138955, 416865, 639193, 1139431, 1917579, 3195965, 3418293, 5697155, 9587895, 17091465, 26206913, 78620739, 131034565, 393103695]

約数ペア:

[(1, 393103695), (3, 131034565), (5, 78620739), (15, 26206913), (23, 17091465), (41, 9587895), (69, 5697155), (115, 3418293), (123, 3195965), (205, 1917579), (345, 1139431), (615, 639193), (943, 416865), (2829, 138955), (4715, 83373), (14145, 27791)]