404920341

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{641}}^1$

素因数の和:962

約数の個数: 48

約数和(自身を含む): 690114048

約数和(自身を除く): 285193707

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 271, 333, 641, 777, 813, 1897, 1923, 2331, 2439, 4487, 5691, 5769, 10027, 13461, 17073, 23717, 30081, 40383, 70189, 71151, 90243, 166019, 173711, 210567, 213453, 498057, 521133, 631701, 1215977, 1494171, 1563399, 3647931, 6427307, 10943793, 19281921, 44991149, 57845763, 134973447, 404920341]

約数ペア:

[(1, 404920341), (3, 134973447), (7, 57845763), (9, 44991149), (21, 19281921), (37, 10943793), (63, 6427307), (111, 3647931), (259, 1563399), (271, 1494171), (333, 1215977), (641, 631701), (777, 521133), (813, 498057), (1897, 213453), (1923, 210567), (2331, 173711), (2439, 166019), (4487, 90243), (5691, 71151), (5769, 70189), (10027, 40383), (13461, 30081), (17073, 23717)]