39985491

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{983}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 66124800

約数和(自身を除く): 26139309

約数列:

[1, 3, 7, 13, 21, 39, 91, 149, 273, 447, 983, 1043, 1937, 2949, 3129, 5811, 6881, 12779, 13559, 20643, 38337, 40677, 89453, 146467, 268359, 439401, 1025269, 1904071, 3075807, 5712213, 13328497, 39985491]

約数ペア:

[(1, 39985491), (3, 13328497), (7, 5712213), (13, 3075807), (21, 1904071), (39, 1025269), (91, 439401), (149, 268359), (273, 146467), (447, 89453), (983, 40677), (1043, 38337), (1937, 20643), (2949, 13559), (3129, 12779), (5811, 6881)]