201780045

素因数分解:

$3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{10753}}^1$

素因数の和:10906

約数の個数: 32

約数和(自身を含む): 361334400

約数和(自身を除く): 159554355

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139, 417, 695, 1251, 2085, 3753, 6255, 10753, 18765, 32259, 53765, 96777, 161295, 290331, 483885, 1451655, 1494667, 4484001, 7473335, 13452003, 22420005, 40356009, 67260015, 201780045]

約数ペア:

[(1, 201780045), (3, 67260015), (5, 40356009), (9, 22420005), (15, 13452003), (27, 7473335), (45, 4484001), (135, 1494667), (139, 1451655), (417, 483885), (695, 290331), (1251, 161295), (2085, 96777), (3753, 53765), (6255, 32259), (10753, 18765)]