201791331

素因数分解:

$3^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1223}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 349300224

約数和(自身を除く): 147508893

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 189, 243, 291, 567, 679, 873, 1223, 1701, 2037, 2619, 3669, 6111, 7857, 8561, 11007, 18333, 23571, 25683, 33021, 54999, 77049, 99063, 118631, 164997, 231147, 297189, 355893, 693441, 830417, 1067679, 2080323, 2491251, 3203037, 7473753, 9609111, 22421259, 28827333, 67263777, 201791331]

約数ペア:

[(1, 201791331), (3, 67263777), (7, 28827333), (9, 22421259), (21, 9609111), (27, 7473753), (63, 3203037), (81, 2491251), (97, 2080323), (189, 1067679), (243, 830417), (291, 693441), (567, 355893), (679, 297189), (873, 231147), (1223, 164997), (1701, 118631), (2037, 99063), (2619, 77049), (3669, 54999), (6111, 33021), (7857, 25683), (8561, 23571), (11007, 18333)]