1988217

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1$

素因数の和:194

約数の個数: 48

約数和(自身を含む): 3793920

約数和(自身を除く): 1805703

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 57, 63, 77, 99, 133, 151, 171, 209, 231, 399, 453, 627, 693, 1057, 1197, 1359, 1463, 1661, 1881, 2869, 3171, 4389, 4983, 8607, 9513, 11627, 13167, 14949, 20083, 25821, 31559, 34881, 60249, 94677, 104643, 180747, 220913, 284031, 662739, 1988217]

約数ペア:

[(1, 1988217), (3, 662739), (7, 284031), (9, 220913), (11, 180747), (19, 104643), (21, 94677), (33, 60249), (57, 34881), (63, 31559), (77, 25821), (99, 20083), (133, 14949), (151, 13167), (171, 11627), (209, 9513), (231, 8607), (399, 4983), (453, 4389), (627, 3171), (693, 2869), (1057, 1881), (1197, 1661), (1359, 1463)]