2621255

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{823}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 3945312

約数和(自身を除く): 1324057

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 823, 3185, 4115, 5761, 10699, 28805, 40327, 53495, 74893, 201635, 374465, 524251, 2621255]

約数ペア:

[(1, 2621255), (5, 524251), (7, 374465), (13, 201635), (35, 74893), (49, 53495), (65, 40327), (91, 28805), (245, 10699), (455, 5761), (637, 4115), (823, 3185)]