647323521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{14321}}^1$

素因数の和:14417

約数の個数: 32

約数和(自身を含む): 994519680

約数和(自身を除く): 347196159

約数列:

[1, 3, 13, 19, 39, 57, 61, 183, 247, 741, 793, 1159, 2379, 3477, 14321, 15067, 42963, 45201, 186173, 272099, 558519, 816297, 873581, 2620743, 3537287, 10611861, 11356553, 16598039, 34069659, 49794117, 215774507, 647323521]

約数ペア:

[(1, 647323521), (3, 215774507), (13, 49794117), (19, 34069659), (39, 16598039), (57, 11356553), (61, 10611861), (183, 3537287), (247, 2620743), (741, 873581), (793, 816297), (1159, 558519), (2379, 272099), (3477, 186173), (14321, 45201), (15067, 42963)]