311938371

素因数分解:

$3^7\times {\mathrm{19}}^1\times {\mathrm{7507}}^1$

素因数の和:7547

約数の個数: 32

約数和(自身を含む): 492524800

約数和(自身を除く): 180586429

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 2187, 4617, 7507, 13851, 22521, 41553, 67563, 142633, 202689, 427899, 608067, 1283697, 1824201, 3851091, 5472603, 11553273, 16417809, 34659819, 103979457, 311938371]

約数ペア:

[(1, 311938371), (3, 103979457), (9, 34659819), (19, 16417809), (27, 11553273), (57, 5472603), (81, 3851091), (171, 1824201), (243, 1283697), (513, 608067), (729, 427899), (1539, 202689), (2187, 142633), (4617, 67563), (7507, 41553), (13851, 22521)]