1201781691

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{2179}}^1$

素因数の和:2821

約数の個数: 40

約数和(自身を含む): 1962523200

約数和(自身を除く): 760741509

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 619, 891, 1857, 2179, 5571, 6537, 6809, 16713, 19611, 20427, 23969, 50139, 58833, 61281, 71907, 176499, 183843, 215721, 551529, 647163, 1348801, 1941489, 4046403, 12139209, 14836811, 36417627, 44510433, 109252881, 133531299, 400593897, 1201781691]

約数ペア:

[(1, 1201781691), (3, 400593897), (9, 133531299), (11, 109252881), (27, 44510433), (33, 36417627), (81, 14836811), (99, 12139209), (297, 4046403), (619, 1941489), (891, 1348801), (1857, 647163), (2179, 551529), (5571, 215721), (6537, 183843), (6809, 176499), (16713, 71907), (19611, 61281), (20427, 58833), (23969, 50139)]