15639897

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{971}}^1$

素因数の和:1053

約数の個数: 32

約数和(自身を含む): 26127360

約数和(自身を除く): 10487463

約数列:

[1, 3, 7, 13, 21, 39, 59, 91, 177, 273, 413, 767, 971, 1239, 2301, 2913, 5369, 6797, 12623, 16107, 20391, 37869, 57289, 88361, 171867, 265083, 401023, 744757, 1203069, 2234271, 5213299, 15639897]

約数ペア:

[(1, 15639897), (3, 5213299), (7, 2234271), (13, 1203069), (21, 744757), (39, 401023), (59, 265083), (91, 171867), (177, 88361), (273, 57289), (413, 37869), (767, 20391), (971, 16107), (1239, 12623), (2301, 6797), (2913, 5369)]