12740221431

素因数分解:

$3^3\times 7^2\times {\mathrm{757}}^1\times {\mathrm{12721}}^1$

素因数の和:13501

約数の個数: 48

約数和(自身を含む): 21986669280

約数和(自身を除く): 9246447849

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 757, 1323, 2271, 5299, 6813, 12721, 15897, 20439, 37093, 38163, 47691, 89047, 111279, 114489, 143073, 267141, 333837, 343467, 623329, 801423, 1001511, 1869987, 2404269, 5609961, 9629797, 16829883, 28889391, 67408579, 86668173, 202225737, 260004519, 471860053, 606677211, 1415580159, 1820031633, 4246740477, 12740221431]

約数ペア:

[(1, 12740221431), (3, 4246740477), (7, 1820031633), (9, 1415580159), (21, 606677211), (27, 471860053), (49, 260004519), (63, 202225737), (147, 86668173), (189, 67408579), (441, 28889391), (757, 16829883), (1323, 9629797), (2271, 5609961), (5299, 2404269), (6813, 1869987), (12721, 1001511), (15897, 801423), (20439, 623329), (37093, 343467), (38163, 333837), (47691, 267141), (89047, 143073), (111279, 114489)]