252487989

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1669}}^1$

素因数の和:2122

約数の個数: 32

約数和(自身を含む): 404006400

約数和(自身を除く): 151518411

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 431, 1293, 1669, 3879, 5007, 5603, 11637, 15021, 16809, 21697, 45063, 50427, 65091, 151281, 195273, 585819, 719339, 2158017, 6474051, 9351407, 19422153, 28054221, 84162663, 252487989]

約数ペア:

[(1, 252487989), (3, 84162663), (9, 28054221), (13, 19422153), (27, 9351407), (39, 6474051), (117, 2158017), (351, 719339), (431, 585819), (1293, 195273), (1669, 151281), (3879, 65091), (5007, 50427), (5603, 45063), (11637, 21697), (15021, 16809)]