28331451

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:521

約数の個数: 40

約数和(自身を含む): 45738000

約数和(自身を除く): 17406549

約数列:

[1, 3, 9, 19, 27, 41, 57, 81, 123, 171, 369, 449, 513, 779, 1107, 1347, 1539, 2337, 3321, 4041, 7011, 8531, 12123, 18409, 21033, 25593, 36369, 55227, 63099, 76779, 165681, 230337, 349771, 497043, 691011, 1049313, 1491129, 3147939, 9443817, 28331451]

約数ペア:

[(1, 28331451), (3, 9443817), (9, 3147939), (19, 1491129), (27, 1049313), (41, 691011), (57, 497043), (81, 349771), (123, 230337), (171, 165681), (369, 76779), (449, 63099), (513, 55227), (779, 36369), (1107, 25593), (1347, 21033), (1539, 18409), (2337, 12123), (3321, 8531), (4041, 7011)]