215227905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{36697}}^1$

素因数の和:36745

約数の個数: 32

約数和(自身を含む): 380484864

約数和(自身を除く): 165256959

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 85, 115, 255, 345, 391, 1173, 1955, 5865, 36697, 110091, 183485, 550455, 623849, 844031, 1871547, 2532093, 3119245, 4220155, 9357735, 12660465, 14348527, 43045581, 71742635, 215227905]

約数ペア:

[(1, 215227905), (3, 71742635), (5, 43045581), (15, 14348527), (17, 12660465), (23, 9357735), (51, 4220155), (69, 3119245), (85, 2532093), (115, 1871547), (255, 844031), (345, 623849), (391, 550455), (1173, 183485), (1955, 110091), (5865, 36697)]