7478001

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:187

約数の個数: 40

約数和(自身を含む): 12138720

約数和(自身を除く): 4660719

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 113, 129, 171, 339, 387, 513, 817, 1017, 1161, 1539, 2147, 2451, 3051, 3483, 4859, 6441, 7353, 9153, 14577, 19323, 22059, 43731, 57969, 66177, 92321, 131193, 173907, 276963, 393579, 830889, 2492667, 7478001]

約数ペア:

[(1, 7478001), (3, 2492667), (9, 830889), (19, 393579), (27, 276963), (43, 173907), (57, 131193), (81, 92321), (113, 66177), (129, 57969), (171, 43731), (339, 22059), (387, 19323), (513, 14577), (817, 9153), (1017, 7353), (1161, 6441), (1539, 4859), (2147, 3483), (2451, 3051)]