4020993

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 6309576

約数和(自身を除く): 2288583

約数列:

[1, 3, 9, 17, 41, 51, 123, 153, 369, 641, 697, 1923, 2091, 5769, 6273, 10897, 26281, 32691, 78843, 98073, 236529, 446777, 1340331, 4020993]

約数ペア:

[(1, 4020993), (3, 1340331), (9, 446777), (17, 236529), (41, 98073), (51, 78843), (123, 32691), (153, 26281), (369, 10897), (641, 6273), (697, 5769), (1923, 2091)]