680771613

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{887}}^1$

素因数の和:1157

約数の個数: 32

約数和(自身を含む): 978220800

約数和(自身を除く): 297449187

約数列:

[1, 3, 17, 51, 101, 149, 303, 447, 887, 1717, 2533, 2661, 5151, 7599, 15049, 15079, 45147, 45237, 89587, 132163, 255833, 268761, 396489, 767499, 1522979, 2246771, 4568937, 6740313, 13348463, 40045389, 226923871, 680771613]

約数ペア:

[(1, 680771613), (3, 226923871), (17, 40045389), (51, 13348463), (101, 6740313), (149, 4568937), (303, 2246771), (447, 1522979), (887, 767499), (1717, 396489), (2533, 268761), (2661, 255833), (5151, 132163), (7599, 89587), (15049, 45237), (15079, 45147)]