219953853

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{50599}}^1$

素因数の和:50638

約数の個数: 32

約数和(自身を含む): 388608000

約数和(自身を除く): 168654147

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 50599, 151797, 354193, 455391, 1062579, 1163777, 1366173, 3187737, 3491331, 8146439, 9563211, 10473993, 24439317, 31421979, 73317951, 219953853]

約数ペア:

[(1, 219953853), (3, 73317951), (7, 31421979), (9, 24439317), (21, 10473993), (23, 9563211), (27, 8146439), (63, 3491331), (69, 3187737), (161, 1366173), (189, 1163777), (207, 1062579), (483, 455391), (621, 354193), (1449, 151797), (4347, 50599)]