1802205

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1381}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 3233880

約数和(自身を除く): 1431675

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 1381, 4143, 6905, 12429, 20715, 40049, 62145, 120147, 200245, 360441, 600735, 1802205]

約数ペア:

[(1, 1802205), (3, 600735), (5, 360441), (9, 200245), (15, 120147), (29, 62145), (45, 40049), (87, 20715), (145, 12429), (261, 6905), (435, 4143), (1305, 1381)]