1900990089

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{155653}}^1$

素因数の和:155741

約数の個数: 24

約数和(自身を含む): 2913842880

約数和(自身を除く): 1012852791

約数列:

[1, 3, 9, 23, 59, 69, 177, 207, 531, 1357, 4071, 12213, 155653, 466959, 1400877, 3580019, 9183527, 10740057, 27550581, 32220171, 82651743, 211221121, 633663363, 1900990089]

約数ペア:

[(1, 1900990089), (3, 633663363), (9, 211221121), (23, 82651743), (59, 32220171), (69, 27550581), (177, 10740057), (207, 9183527), (531, 3580019), (1357, 1400877), (4071, 466959), (12213, 155653)]