380081247

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{19609}}^1$

素因数の和:19703

約数の個数: 32

約数和(自身を含む): 632540160

約数和(自身を除く): 252458913

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 2769, 6461, 19383, 19609, 58827, 137263, 254917, 411789, 764751, 1392239, 1784419, 4176717, 5353257, 9745673, 18099107, 29237019, 54297321, 126693749, 380081247]

約数ペア:

[(1, 380081247), (3, 126693749), (7, 54297321), (13, 29237019), (21, 18099107), (39, 9745673), (71, 5353257), (91, 4176717), (213, 1784419), (273, 1392239), (497, 764751), (923, 411789), (1491, 254917), (2769, 137263), (6461, 58827), (19383, 19609)]