27821535

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1031}}^1$

素因数の和:1303

約数の個数: 32

約数和(自身を含む): 51121152

約数和(自身を除く): 23299617

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 257, 771, 1031, 1285, 1799, 3093, 3855, 5155, 5397, 7217, 8995, 15465, 21651, 26985, 36085, 108255, 264967, 794901, 1324835, 1854769, 3974505, 5564307, 9273845, 27821535]

約数ペア:

[(1, 27821535), (3, 9273845), (5, 5564307), (7, 3974505), (15, 1854769), (21, 1324835), (35, 794901), (105, 264967), (257, 108255), (771, 36085), (1031, 26985), (1285, 21651), (1799, 15465), (3093, 8995), (3855, 7217), (5155, 5397)]