4019769

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 6918912

約数和(自身を除く): 2899143

約数列:

[1, 3, 9, 13, 17, 39, 43, 47, 51, 117, 129, 141, 153, 221, 387, 423, 559, 611, 663, 731, 799, 1677, 1833, 1989, 2021, 2193, 2397, 5031, 5499, 6063, 6579, 7191, 9503, 10387, 18189, 26273, 28509, 31161, 34357, 78819, 85527, 93483, 103071, 236457, 309213, 446641, 1339923, 4019769]

約数ペア:

[(1, 4019769), (3, 1339923), (9, 446641), (13, 309213), (17, 236457), (39, 103071), (43, 93483), (47, 85527), (51, 78819), (117, 34357), (129, 31161), (141, 28509), (153, 26273), (221, 18189), (387, 10387), (423, 9503), (559, 7191), (611, 6579), (663, 6063), (731, 5499), (799, 5031), (1677, 2397), (1833, 2193), (1989, 2021)]