28126189497

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{569}}^1\times {\mathrm{123887}}^1$

素因数の和:124485

約数の個数: 32

約数和(自身を含む): 45194342400

約数和(自身を除く): 17068152903

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 569, 1707, 3983, 10811, 11949, 32433, 75677, 123887, 227031, 371661, 867209, 2353853, 2601627, 7061559, 16476971, 49430913, 70491703, 211475109, 493441921, 1339342357, 1480325763, 4018027071, 9375396499, 28126189497]

約数ペア:

[(1, 28126189497), (3, 9375396499), (7, 4018027071), (19, 1480325763), (21, 1339342357), (57, 493441921), (133, 211475109), (399, 70491703), (569, 49430913), (1707, 16476971), (3983, 7061559), (10811, 2601627), (11949, 2353853), (32433, 867209), (75677, 371661), (123887, 227031)]