30039741

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:311

約数の個数: 40

約数和(自身を含む): 47916000

約数和(自身を除く): 17876259

約数列:

[1, 3, 9, 19, 27, 57, 81, 131, 149, 171, 393, 447, 513, 1179, 1341, 1539, 2489, 2831, 3537, 4023, 7467, 8493, 10611, 12069, 19519, 22401, 25479, 58557, 67203, 76437, 175671, 201609, 229311, 370861, 527013, 1112583, 1581039, 3337749, 10013247, 30039741]

約数ペア:

[(1, 30039741), (3, 10013247), (9, 3337749), (19, 1581039), (27, 1112583), (57, 527013), (81, 370861), (131, 229311), (149, 201609), (171, 175671), (393, 76437), (447, 67203), (513, 58557), (1179, 25479), (1341, 22401), (1539, 19519), (2489, 12069), (2831, 10611), (3537, 8493), (4023, 7467)]