23331231

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 42501888

約数和(自身を除く): 19170657

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 131, 231, 257, 393, 693, 771, 917, 1179, 1441, 1799, 2313, 2751, 2827, 4323, 5397, 8253, 8481, 10087, 12969, 16191, 19789, 25443, 30261, 33667, 59367, 90783, 101001, 178101, 235669, 303003, 370337, 707007, 1111011, 2121021, 2592359, 3333033, 7777077, 23331231]

約数ペア:

[(1, 23331231), (3, 7777077), (7, 3333033), (9, 2592359), (11, 2121021), (21, 1111011), (33, 707007), (63, 370337), (77, 303003), (99, 235669), (131, 178101), (231, 101001), (257, 90783), (393, 59367), (693, 33667), (771, 30261), (917, 25443), (1179, 19789), (1441, 16191), (1799, 12969), (2313, 10087), (2751, 8481), (2827, 8253), (4323, 5397)]