18247383

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 34467840

約数和(自身を除く): 16220457

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 67, 77, 99, 131, 189, 201, 231, 297, 393, 469, 603, 693, 737, 917, 1179, 1407, 1441, 1809, 2079, 2211, 2751, 3537, 4221, 4323, 5159, 6633, 8253, 8777, 10087, 12663, 12969, 15477, 19899, 24759, 26331, 30261, 38907, 46431, 61439, 78993, 90783, 96547, 139293, 184317, 236979, 272349, 289641, 552951, 675829, 868923, 1658853, 2027487, 2606769, 6082461, 18247383]

約数ペア:

[(1, 18247383), (3, 6082461), (7, 2606769), (9, 2027487), (11, 1658853), (21, 868923), (27, 675829), (33, 552951), (63, 289641), (67, 272349), (77, 236979), (99, 184317), (131, 139293), (189, 96547), (201, 90783), (231, 78993), (297, 61439), (393, 46431), (469, 38907), (603, 30261), (693, 26331), (737, 24759), (917, 19899), (1179, 15477), (1407, 12969), (1441, 12663), (1809, 10087), (2079, 8777), (2211, 8253), (2751, 6633), (3537, 5159), (4221, 4323)]