25201993089

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2977903}}^1$

素因数の和:2977957

約数の個数: 32

約数和(自身を含む): 42691231744

約数和(自身を除く): 17489238655

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 1209, 2821, 8463, 2977903, 8933709, 20845321, 38712739, 62535963, 92314993, 116138217, 270989173, 276944979, 646204951, 812967519, 1200094909, 1938614853, 3600284727, 8400664363, 25201993089]

約数ペア:

[(1, 25201993089), (3, 8400664363), (7, 3600284727), (13, 1938614853), (21, 1200094909), (31, 812967519), (39, 646204951), (91, 276944979), (93, 270989173), (217, 116138217), (273, 92314993), (403, 62535963), (651, 38712739), (1209, 20845321), (2821, 8933709), (8463, 2977903)]