30218949

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 36

約数和(自身を含む): 47073312

約数和(自身を除く): 16854363

約数列:

[1, 3, 9, 19, 57, 71, 131, 171, 213, 361, 393, 639, 1083, 1179, 1349, 2489, 3249, 4047, 7467, 9301, 12141, 22401, 25631, 27903, 47291, 76893, 83709, 141873, 176719, 230679, 425619, 530157, 1590471, 3357661, 10072983, 30218949]

約数ペア:

[(1, 30218949), (3, 10072983), (9, 3357661), (19, 1590471), (57, 530157), (71, 425619), (131, 230679), (171, 176719), (213, 141873), (361, 83709), (393, 76893), (639, 47291), (1083, 27903), (1179, 25631), (1349, 22401), (2489, 12141), (3249, 9301), (4047, 7467)]