1391567121

素因数分解:

$3^4\times 7^3\times {\mathrm{50087}}^1$

素因数の和:50120

約数の個数: 40

約数和(自身を含む): 2424259200

約数和(自身を除く): 1032692079

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 343, 441, 567, 1029, 1323, 3087, 3969, 9261, 27783, 50087, 150261, 350609, 450783, 1051827, 1352349, 2454263, 3155481, 4057047, 7362789, 9466443, 17179841, 22088367, 28399329, 51539523, 66265101, 154618569, 198795303, 463855707, 1391567121]

約数ペア:

[(1, 1391567121), (3, 463855707), (7, 198795303), (9, 154618569), (21, 66265101), (27, 51539523), (49, 28399329), (63, 22088367), (81, 17179841), (147, 9466443), (189, 7362789), (343, 4057047), (441, 3155481), (567, 2454263), (1029, 1352349), (1323, 1051827), (3087, 450783), (3969, 350609), (9261, 150261), (27783, 50087)]