27620433

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:299

約数の個数: 40

約数和(自身を含む): 44082720

約数和(自身を除く): 16462287

約数列:

[1, 3, 9, 19, 27, 57, 81, 131, 137, 171, 393, 411, 513, 1179, 1233, 1539, 2489, 2603, 3537, 3699, 7467, 7809, 10611, 11097, 17947, 22401, 23427, 53841, 67203, 70281, 161523, 201609, 210843, 340993, 484569, 1022979, 1453707, 3068937, 9206811, 27620433]

約数ペア:

[(1, 27620433), (3, 9206811), (9, 3068937), (19, 1453707), (27, 1022979), (57, 484569), (81, 340993), (131, 210843), (137, 201609), (171, 161523), (393, 70281), (411, 67203), (513, 53841), (1179, 23427), (1233, 22401), (1539, 17947), (2489, 11097), (2603, 10611), (3537, 7809), (3699, 7467)]