311915937

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 436142080

約数和(自身を除く): 124226143

約数列:

[1, 3, 43, 79, 127, 129, 237, 241, 381, 723, 3397, 5461, 10033, 10191, 10363, 16383, 19039, 30099, 30607, 31089, 57117, 91821, 431419, 818677, 1294257, 1316101, 2417953, 2456031, 3948303, 7253859, 103971979, 311915937]

約数ペア:

[(1, 311915937), (3, 103971979), (43, 7253859), (79, 3948303), (127, 2456031), (129, 2417953), (237, 1316101), (241, 1294257), (381, 818677), (723, 431419), (3397, 91821), (5461, 57117), (10033, 31089), (10191, 30607), (10363, 30099), (16383, 19039)]