305804863

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2521}}^1$

素因数の和:2615

約数の個数: 32

約数和(自身を含む): 397709312

約数和(自身を除く): 91904449

約数列:

[1, 7, 13, 31, 43, 91, 217, 301, 403, 559, 1333, 2521, 2821, 3913, 9331, 17329, 17647, 32773, 78151, 108403, 121303, 229411, 547057, 758821, 1015963, 1409239, 3360493, 7111741, 9864673, 23523451, 43686409, 305804863]

約数ペア:

[(1, 305804863), (7, 43686409), (13, 23523451), (31, 9864673), (43, 7111741), (91, 3360493), (217, 1409239), (301, 1015963), (403, 758821), (559, 547057), (1333, 229411), (2521, 121303), (2821, 108403), (3913, 78151), (9331, 32773), (17329, 17647)]