2420981703

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{90847}}^1$

素因数の和:90913

約数の個数: 40

約数和(自身を含む): 4221161472

約数和(自身を除く): 1800179769

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 987, 1269, 2961, 3807, 8883, 26649, 90847, 272541, 635929, 817623, 1907787, 2452869, 4269809, 5723361, 7358607, 12809427, 17170083, 29888663, 38428281, 51510249, 89665989, 115284843, 268997967, 345854529, 806993901, 2420981703]

約数ペア:

[(1, 2420981703), (3, 806993901), (7, 345854529), (9, 268997967), (21, 115284843), (27, 89665989), (47, 51510249), (63, 38428281), (81, 29888663), (141, 17170083), (189, 12809427), (329, 7358607), (423, 5723361), (567, 4269809), (987, 2452869), (1269, 1907787), (2961, 817623), (3807, 635929), (8883, 272541), (26649, 90847)]