7820307

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 40

約数和(自身を含む): 13033152

約数和(自身を除く): 5212845

約数列:

[1, 3, 9, 11, 27, 33, 67, 81, 99, 131, 201, 297, 393, 603, 737, 891, 1179, 1441, 1809, 2211, 3537, 4323, 5427, 6633, 8777, 10611, 12969, 19899, 26331, 38907, 59697, 78993, 96547, 116721, 236979, 289641, 710937, 868923, 2606769, 7820307]

約数ペア:

[(1, 7820307), (3, 2606769), (9, 868923), (11, 710937), (27, 289641), (33, 236979), (67, 116721), (81, 96547), (99, 78993), (131, 59697), (201, 38907), (297, 26331), (393, 19899), (603, 12969), (737, 10611), (891, 8777), (1179, 6633), (1441, 5427), (1809, 4323), (2211, 3537)]