1557387

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:74

約数の個数: 48

約数和(自身を含む): 2751840

約数和(自身を除く): 1194453

約数列:

[1, 3, 9, 13, 17, 27, 29, 39, 51, 81, 87, 117, 153, 221, 243, 261, 351, 377, 459, 493, 663, 783, 1053, 1131, 1377, 1479, 1989, 2349, 3159, 3393, 4131, 4437, 5967, 6409, 7047, 10179, 13311, 17901, 19227, 30537, 39933, 53703, 57681, 91611, 119799, 173043, 519129, 1557387]

約数ペア:

[(1, 1557387), (3, 519129), (9, 173043), (13, 119799), (17, 91611), (27, 57681), (29, 53703), (39, 39933), (51, 30537), (81, 19227), (87, 17901), (117, 13311), (153, 10179), (221, 7047), (243, 6409), (261, 5967), (351, 4437), (377, 4131), (459, 3393), (493, 3159), (663, 2349), (783, 1989), (1053, 1479), (1131, 1377)]