42745905

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 79657344

約数和(自身を除く): 36911439

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 71, 85, 153, 213, 255, 355, 639, 765, 787, 1065, 1207, 2361, 3195, 3621, 3935, 6035, 7083, 10863, 11805, 13379, 18105, 35415, 40137, 54315, 55877, 66895, 120411, 167631, 200685, 279385, 502893, 602055, 838155, 949909, 2514465, 2849727, 4749545, 8549181, 14248635, 42745905]

約数ペア:

[(1, 42745905), (3, 14248635), (5, 8549181), (9, 4749545), (15, 2849727), (17, 2514465), (45, 949909), (51, 838155), (71, 602055), (85, 502893), (153, 279385), (213, 200685), (255, 167631), (355, 120411), (639, 66895), (765, 55877), (787, 54315), (1065, 40137), (1207, 35415), (2361, 18105), (3195, 13379), (3621, 11805), (3935, 10863), (6035, 7083)]