31346523

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 52416000

約数和(自身を除く): 21069477

約数列:

[1, 3, 9, 13, 19, 39, 57, 59, 117, 171, 177, 239, 247, 531, 717, 741, 767, 1121, 2151, 2223, 2301, 3107, 3363, 4541, 6903, 9321, 10089, 13623, 14101, 14573, 27963, 40869, 42303, 43719, 59033, 126909, 131157, 177099, 183313, 267919, 531297, 549939, 803757, 1649817, 2411271, 3482947, 10448841, 31346523]

約数ペア:

[(1, 31346523), (3, 10448841), (9, 3482947), (13, 2411271), (19, 1649817), (39, 803757), (57, 549939), (59, 531297), (117, 267919), (171, 183313), (177, 177099), (239, 131157), (247, 126909), (531, 59033), (717, 43719), (741, 42303), (767, 40869), (1121, 27963), (2151, 14573), (2223, 14101), (2301, 13623), (3107, 10089), (3363, 9321), (4541, 6903)]