3978765

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 8356608

約数和(自身を除く): 4377843

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 105, 119, 153, 255, 315, 357, 595, 743, 765, 1071, 1785, 2229, 3715, 5201, 5355, 6687, 11145, 12631, 15603, 26005, 33435, 37893, 46809, 63155, 78015, 88417, 113679, 189465, 234045, 265251, 442085, 568395, 795753, 1326255, 3978765]

約数ペア:

[(1, 3978765), (3, 1326255), (5, 795753), (7, 568395), (9, 442085), (15, 265251), (17, 234045), (21, 189465), (35, 113679), (45, 88417), (51, 78015), (63, 63155), (85, 46809), (105, 37893), (119, 33435), (153, 26005), (255, 15603), (315, 12631), (357, 11145), (595, 6687), (743, 5355), (765, 5201), (1071, 3715), (1785, 2229)]