153569913

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{691}}^1$

素因数の和:1277

約数の個数: 32

約数和(自身を含む): 247127040

約数和(自身を除く): 93557127

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 557, 691, 1671, 2073, 3899, 4837, 10583, 11697, 13129, 14511, 31749, 39387, 74081, 91903, 222243, 275709, 384887, 1154661, 2694209, 7312853, 8082627, 21938559, 51189971, 153569913]

約数ペア:

[(1, 153569913), (3, 51189971), (7, 21938559), (19, 8082627), (21, 7312853), (57, 2694209), (133, 1154661), (399, 384887), (557, 275709), (691, 222243), (1671, 91903), (2073, 74081), (3899, 39387), (4837, 31749), (10583, 14511), (11697, 13129)]