1428921

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:107

約数の個数: 40

約数和(自身を含む): 2439360

約数和(自身を除く): 1010439

約数列:

[1, 3, 9, 13, 23, 27, 39, 59, 69, 81, 117, 177, 207, 299, 351, 531, 621, 767, 897, 1053, 1357, 1593, 1863, 2301, 2691, 4071, 4779, 6903, 8073, 12213, 17641, 20709, 24219, 36639, 52923, 62127, 109917, 158769, 476307, 1428921]

約数ペア:

[(1, 1428921), (3, 476307), (9, 158769), (13, 109917), (23, 62127), (27, 52923), (39, 36639), (59, 24219), (69, 20709), (81, 17641), (117, 12213), (177, 8073), (207, 6903), (299, 4779), (351, 4071), (531, 2691), (621, 2301), (767, 1863), (897, 1593), (1053, 1357)]