131444655

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{2741}}^1$

素因数の和:2911

約数の個数: 32

約数和(自身を含む): 221114880

約数和(自身を除く): 89670225

約数列:

[1, 3, 5, 15, 23, 69, 115, 139, 345, 417, 695, 2085, 2741, 3197, 8223, 9591, 13705, 15985, 41115, 47955, 63043, 189129, 315215, 380999, 945645, 1142997, 1904995, 5714985, 8762977, 26288931, 43814885, 131444655]

約数ペア:

[(1, 131444655), (3, 43814885), (5, 26288931), (15, 8762977), (23, 5714985), (69, 1904995), (115, 1142997), (139, 945645), (345, 380999), (417, 315215), (695, 189129), (2085, 63043), (2741, 47955), (3197, 41115), (8223, 15985), (9591, 13705)]