16517979

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 25981440

約数和(自身を除く): 9463461

約数列:

[1, 3, 9, 23, 27, 67, 69, 201, 207, 397, 603, 621, 1191, 1541, 1809, 3573, 4623, 9131, 10719, 13869, 26599, 27393, 41607, 79797, 82179, 239391, 246537, 611777, 718173, 1835331, 5505993, 16517979]

約数ペア:

[(1, 16517979), (3, 5505993), (9, 1835331), (23, 718173), (27, 611777), (67, 246537), (69, 239391), (201, 82179), (207, 79797), (397, 41607), (603, 27393), (621, 26599), (1191, 13869), (1541, 10719), (1809, 9131), (3573, 4623)]