9801813

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{509}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 15348960

約数和(自身を除く): 5547147

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 509, 917, 1527, 2751, 3563, 6419, 10689, 19257, 24941, 66679, 74823, 200037, 466753, 1400259, 3267271, 9801813]

約数ペア:

[(1, 9801813), (3, 3267271), (7, 1400259), (21, 466753), (49, 200037), (131, 74823), (147, 66679), (393, 24941), (509, 19257), (917, 10689), (1527, 6419), (2751, 3563)]