83640255

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1361}}^1$

素因数の和:1627

約数の個数: 32

約数和(自身を含む): 142388928

約数和(自身を除く): 58748673

約数列:

[1, 3, 5, 15, 17, 51, 85, 241, 255, 723, 1205, 1361, 3615, 4083, 4097, 6805, 12291, 20415, 20485, 23137, 61455, 69411, 115685, 328001, 347055, 984003, 1640005, 4920015, 5576017, 16728051, 27880085, 83640255]

約数ペア:

[(1, 83640255), (3, 27880085), (5, 16728051), (15, 5576017), (17, 4920015), (51, 1640005), (85, 984003), (241, 347055), (255, 328001), (723, 115685), (1205, 69411), (1361, 61455), (3615, 23137), (4083, 20485), (4097, 20415), (6805, 12291)]