31319619

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 45696000

約数和(自身を除く): 14376381

約数列:

[1, 3, 19, 57, 59, 67, 139, 177, 201, 417, 1121, 1273, 2641, 3363, 3819, 3953, 7923, 8201, 9313, 11859, 24603, 27939, 75107, 155819, 176947, 225321, 467457, 530841, 549467, 1648401, 10439873, 31319619]

約数ペア:

[(1, 31319619), (3, 10439873), (19, 1648401), (57, 549467), (59, 530841), (67, 467457), (139, 225321), (177, 176947), (201, 155819), (417, 75107), (1121, 27939), (1273, 24603), (2641, 11859), (3363, 9313), (3819, 8201), (3953, 7923)]