393156687

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73999}}^1$

素因数の和:74043

約数の個数: 32

約数和(自身を含む): 681984000

約数和(自身を除く): 288827313

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 5313, 73999, 221997, 517993, 813989, 1553979, 1701977, 2441967, 5105931, 5697923, 11913839, 17093769, 18721747, 35741517, 56165241, 131052229, 393156687]

約数ペア:

[(1, 393156687), (3, 131052229), (7, 56165241), (11, 35741517), (21, 18721747), (23, 17093769), (33, 11913839), (69, 5697923), (77, 5105931), (161, 2441967), (231, 1701977), (253, 1553979), (483, 813989), (759, 517993), (1771, 221997), (5313, 73999)]