55268787

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{857}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 87639552

約数和(自身を除く): 32370765

約数列:

[1, 3, 7, 21, 37, 83, 111, 249, 259, 581, 777, 857, 1743, 2571, 3071, 5999, 9213, 17997, 21497, 31709, 64491, 71131, 95127, 213393, 221963, 497917, 665889, 1493751, 2631847, 7895541, 18422929, 55268787]

約数ペア:

[(1, 55268787), (3, 18422929), (7, 7895541), (21, 2631847), (37, 1493751), (83, 665889), (111, 497917), (249, 221963), (259, 213393), (581, 95127), (777, 71131), (857, 64491), (1743, 31709), (2571, 21497), (3071, 17997), (5999, 9213)]