25198047

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2339}}^1$

素因数の和:2377

約数の個数: 40

約数和(自身を含む): 45302400

約数和(自身を除く): 20104353

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 399, 513, 567, 1197, 1539, 2339, 3591, 7017, 10773, 16373, 21051, 44441, 49119, 63153, 133323, 147357, 189459, 311087, 399969, 442071, 933261, 1199907, 1326213, 2799783, 3599721, 8399349, 25198047]

約数ペア:

[(1, 25198047), (3, 8399349), (7, 3599721), (9, 2799783), (19, 1326213), (21, 1199907), (27, 933261), (57, 442071), (63, 399969), (81, 311087), (133, 189459), (171, 147357), (189, 133323), (399, 63153), (513, 49119), (567, 44441), (1197, 21051), (1539, 16373), (2339, 10773), (3591, 7017)]