72389415

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 135842400

約数和(自身を除く): 63452985

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 149, 245, 447, 661, 735, 745, 1043, 1983, 2235, 3129, 3305, 4627, 5215, 7301, 9915, 13881, 15645, 21903, 23135, 32389, 36505, 69405, 97167, 98489, 109515, 161945, 295467, 485835, 492445, 689423, 1477335, 2068269, 3447115, 4825961, 10341345, 14477883, 24129805, 72389415]

約数ペア:

[(1, 72389415), (3, 24129805), (5, 14477883), (7, 10341345), (15, 4825961), (21, 3447115), (35, 2068269), (49, 1477335), (105, 689423), (147, 492445), (149, 485835), (245, 295467), (447, 161945), (661, 109515), (735, 98489), (745, 97167), (1043, 69405), (1983, 36505), (2235, 32389), (3129, 23135), (3305, 21903), (4627, 15645), (5215, 13881), (7301, 9915)]