680220639

素因数分解:

$3^3\times 7^1\times {\mathrm{383}}^1\times {\mathrm{9397}}^1$

素因数の和:9796

約数の個数: 32

約数和(自身を含む): 1154826240

約数和(自身を除く): 474605601

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 383, 1149, 2681, 3447, 8043, 9397, 10341, 24129, 28191, 65779, 72387, 84573, 197337, 253719, 592011, 1776033, 3599051, 10797153, 25193357, 32391459, 75580071, 97174377, 226740213, 680220639]

約数ペア:

[(1, 680220639), (3, 226740213), (7, 97174377), (9, 75580071), (21, 32391459), (27, 25193357), (63, 10797153), (189, 3599051), (383, 1776033), (1149, 592011), (2681, 253719), (3447, 197337), (8043, 84573), (9397, 72387), (10341, 65779), (24129, 28191)]