217427301

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{88493}}^1$

素因数の和:88522

約数の個数: 32

約数和(自身を含む): 396453120

約数和(自身を除く): 179025819

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 88493, 265479, 619451, 796437, 1150409, 1858353, 2389311, 3451227, 5575059, 8052863, 10353681, 16725177, 24158589, 31061043, 72475767, 217427301]

約数ペア:

[(1, 217427301), (3, 72475767), (7, 31061043), (9, 24158589), (13, 16725177), (21, 10353681), (27, 8052863), (39, 5575059), (63, 3451227), (91, 2389311), (117, 1858353), (189, 1150409), (273, 796437), (351, 619451), (819, 265479), (2457, 88493)]