15981036591

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{73607}}^1$

素因数の和:73935

約数の個数: 32

約数和(自身を含む): 24237642240

約数和(自身を除く): 8256605649

約数列:

[1, 3, 13, 19, 39, 57, 247, 293, 741, 879, 3809, 5567, 11427, 16701, 72371, 73607, 217113, 220821, 956891, 1398533, 2870673, 4195599, 18180929, 21566851, 54542787, 64700553, 280369063, 409770169, 841107189, 1229310507, 5327012197, 15981036591]

約数ペア:

[(1, 15981036591), (3, 5327012197), (13, 1229310507), (19, 841107189), (39, 409770169), (57, 280369063), (247, 64700553), (293, 54542787), (741, 21566851), (879, 18180929), (3809, 4195599), (5567, 2870673), (11427, 1398533), (16701, 956891), (72371, 220821), (73607, 217113)]