213739155

素因数分解:

$3^6\times 5^1\times 7^1\times {\mathrm{8377}}^1$

素因数の和:8407

約数の個数: 56

約数和(自身を含む): 439543392

約数和(自身を除く): 225804237

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 729, 945, 1215, 1701, 2835, 3645, 5103, 8377, 8505, 25131, 25515, 41885, 58639, 75393, 125655, 175917, 226179, 293195, 376965, 527751, 678537, 879585, 1130895, 1583253, 2035611, 2638755, 3392685, 4749759, 6106833, 7916265, 10178055, 14249277, 23748795, 30534165, 42747831, 71246385, 213739155]

約数ペア:

[(1, 213739155), (3, 71246385), (5, 42747831), (7, 30534165), (9, 23748795), (15, 14249277), (21, 10178055), (27, 7916265), (35, 6106833), (45, 4749759), (63, 3392685), (81, 2638755), (105, 2035611), (135, 1583253), (189, 1130895), (243, 879585), (315, 678537), (405, 527751), (567, 376965), (729, 293195), (945, 226179), (1215, 175917), (1701, 125655), (2835, 75393), (3645, 58639), (5103, 41885), (8377, 25515), (8505, 25131)]