15705528279

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{80669}}^1$

素因数の和:80879

約数の個数: 32

約数和(自身を含む): 24451399680

約数和(自身を除く): 8745871401

約数列:

[1, 3, 7, 21, 73, 127, 219, 381, 511, 889, 1533, 2667, 9271, 27813, 64897, 80669, 194691, 242007, 564683, 1694049, 5888837, 10244963, 17666511, 30734889, 41221859, 71714741, 123665577, 215144223, 747882299, 2243646897, 5235176093, 15705528279]

約数ペア:

[(1, 15705528279), (3, 5235176093), (7, 2243646897), (21, 747882299), (73, 215144223), (127, 123665577), (219, 71714741), (381, 41221859), (511, 30734889), (889, 17666511), (1533, 10244963), (2667, 5888837), (9271, 1694049), (27813, 564683), (64897, 242007), (80669, 194691)]