4920221271

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{255503}}^1$

素因数の和:255651

約数の個数: 24

約数和(自身を含む): 7689648384

約数和(自身を除く): 2769427113

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 917, 2751, 6419, 19257, 255503, 766509, 1788521, 5365563, 12519647, 33470893, 37558941, 100412679, 234296251, 702888753, 1640073757, 4920221271]

約数ペア:

[(1, 4920221271), (3, 1640073757), (7, 702888753), (21, 234296251), (49, 100412679), (131, 37558941), (147, 33470893), (393, 12519647), (917, 5365563), (2751, 1788521), (6419, 766509), (19257, 255503)]