640232829

素因数分解:

$3^5\times {\mathrm{431}}^1\times {\mathrm{6113}}^1$

素因数の和:6559

約数の個数: 24

約数和(自身を含む): 961414272

約数和(自身を除く): 321181443

約数列:

[1, 3, 9, 27, 81, 243, 431, 1293, 3879, 6113, 11637, 18339, 34911, 55017, 104733, 165051, 495153, 1485459, 2634703, 7904109, 23712327, 71136981, 213410943, 640232829]

約数ペア:

[(1, 640232829), (3, 213410943), (9, 71136981), (27, 23712327), (81, 7904109), (243, 2634703), (431, 1485459), (1293, 495153), (3879, 165051), (6113, 104733), (11637, 55017), (18339, 34911)]