72878163

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 103150080

約数和(自身を除く): 30271917

約数列:

[1, 3, 43, 71, 73, 109, 129, 213, 219, 327, 3053, 3139, 4687, 5183, 7739, 7957, 9159, 9417, 14061, 15549, 23217, 23871, 222869, 332777, 342151, 564947, 668607, 998331, 1026453, 1694841, 24292721, 72878163]

約数ペア:

[(1, 72878163), (3, 24292721), (43, 1694841), (71, 1026453), (73, 998331), (109, 668607), (129, 564947), (213, 342151), (219, 332777), (327, 222869), (3053, 23871), (3139, 23217), (4687, 15549), (5183, 14061), (7739, 9417), (7957, 9159)]