90195903

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20749}}^1$

素因数の和:20788

約数の個数: 32

約数和(自身を含む): 159360000

約数和(自身を除く): 69164097

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 20749, 62247, 145243, 186741, 435729, 477227, 560223, 1307187, 1431681, 3340589, 3921561, 4295043, 10021767, 12885129, 30065301, 90195903]

約数ペア:

[(1, 90195903), (3, 30065301), (7, 12885129), (9, 10021767), (21, 4295043), (23, 3921561), (27, 3340589), (63, 1431681), (69, 1307187), (161, 560223), (189, 477227), (207, 435729), (483, 186741), (621, 145243), (1449, 62247), (4347, 20749)]