71407215

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{797}}^1$

素因数の和:1000

約数の個数: 48

約数和(自身を含む): 135940896

約数和(自身を除く): 64533681

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 181, 495, 543, 797, 905, 1629, 1991, 2391, 2715, 3985, 5973, 7173, 8145, 8767, 9955, 11955, 17919, 26301, 29865, 35865, 43835, 78903, 89595, 131505, 144257, 394515, 432771, 721285, 1298313, 1586827, 2163855, 4760481, 6491565, 7934135, 14281443, 23802405, 71407215]

約数ペア:

[(1, 71407215), (3, 23802405), (5, 14281443), (9, 7934135), (11, 6491565), (15, 4760481), (33, 2163855), (45, 1586827), (55, 1298313), (99, 721285), (165, 432771), (181, 394515), (495, 144257), (543, 131505), (797, 89595), (905, 78903), (1629, 43835), (1991, 35865), (2391, 29865), (2715, 26301), (3985, 17919), (5973, 11955), (7173, 9955), (8145, 8767)]