207935679

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1\times {\mathrm{383}}^1$

素因数の和:747

約数の個数: 32

約数和(自身を含む): 322043904

約数和(自身を除く): 114108225

約数列:

[1, 3, 7, 21, 103, 251, 309, 383, 721, 753, 1149, 1757, 2163, 2681, 5271, 8043, 25853, 39449, 77559, 96133, 118347, 180971, 276143, 288399, 542913, 672931, 828429, 2018793, 9901699, 29705097, 69311893, 207935679]

約数ペア:

[(1, 207935679), (3, 69311893), (7, 29705097), (21, 9901699), (103, 2018793), (251, 828429), (309, 672931), (383, 542913), (721, 288399), (753, 276143), (1149, 180971), (1757, 118347), (2163, 96133), (2681, 77559), (5271, 39449), (8043, 25853)]