53780805

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 101228400

約数和(自身を除く): 47447595

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 149, 195, 447, 585, 617, 745, 1341, 1851, 1937, 2235, 3085, 5553, 5811, 6705, 8021, 9255, 9685, 17433, 24063, 27765, 29055, 40105, 72189, 87165, 91933, 120315, 275799, 360945, 459665, 827397, 1195129, 1378995, 3585387, 4136985, 5975645, 10756161, 17926935, 53780805]

約数ペア:

[(1, 53780805), (3, 17926935), (5, 10756161), (9, 5975645), (13, 4136985), (15, 3585387), (39, 1378995), (45, 1195129), (65, 827397), (117, 459665), (149, 360945), (195, 275799), (447, 120315), (585, 91933), (617, 87165), (745, 72189), (1341, 40105), (1851, 29055), (1937, 27765), (2235, 24063), (3085, 17433), (5553, 9685), (5811, 9255), (6705, 8021)]